DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:77-71-4
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inquiryItems Standard Result Appearance White crystal White crystal Melting point(℃) ≥17
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inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
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inquiryProduct description: Product name 5,5-Dimethylhydantoin CAS number 77-71-4 Assay ≥98% Appearance White crystalline powder Capacity 500mt/year Application Germicidal disinfect
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inquiryISO Flexible packing Competitive price Appearance:White to off-white crystal powder Storage:normal condition Package:25kg/bag or as require Application:water treatment Transportation:by sea Port:shanghai
high quality Appearance:Colorless liquid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
5,5-dimethylhydantoin CAS NO.:77-71-4 Formula: C5H8N2O2 Molecular Weight: 128.13 Quality Standard: Appearance White crystal powder %Purity
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inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
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inquiry5,5-Dimethylhydantoin Basic information Product Name: 5,5-Dimethylhydantoin Synonyms: 2,4-Imidazolidinedione,5,5-dimethyl-;4-Imidazolidinedione,5,5-dimethyl-2;5,5-dimethyl-4-imidazolidin
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inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
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inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
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inquiryProduct Name 5,5-Dimethylhydantoin Synonyms 4-Imidazolidinedione,5,5-dimethyl-2;5,5-dimethyl-4-imidazolidinedione;5,5-dimethyl-hydantoi;5,5-Dimethyl-imidazolidin-2,4-dion;5,5-Dimethylimidazolidin-2,4-dione
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inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed conta
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inquiryAppearance:white to off-white crystals or crystalline powder Storage:R.T Package:25kg/drum Application:It is used in the synthesis of amino acids, and can also be used as special epoxy resins and water-soluble resins, fungicides, preservatives, etc.
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inquiryOcean Organic Division engages in the import & export business,domestic trade of organic chemical products. The department is driven by research and development for years, and devotes to research, development, production and sales of fine chemi
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inquiry5,5-Dimethylhydantoin CAS:77-71-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic interm
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inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
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inquiry5,5-Dimethylhydantoin PVP CAS: 77-71-4 Specificatio Items Standard Result Appearance White crystal White crystal Melting point(℃) ≥174
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inquiryPRODUCT DETAILS
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inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
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inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
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potassium cyanate
methyl 2-aminoisobutyrate hydrochloride
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
Stage #1: potassium cyanate; methyl 2-aminoisobutyrate hydrochloride In water Milling; Green chemistry; Stage #2: With potassium carbonate In water Green chemistry; | 92% |
Conditions | Yield |
---|---|
In water at 120℃; under 15001.5 Torr; for 0.533333h; Bucherer-Bergs Reaction; Flow reactor; | 82% |
Stage #1: potassium cyanide; ammonium carbonate; acetone In ethanol; water at 55 - 60℃; Bucherer-Bergs Reaction; Stage #2: With hydrogenchloride In ethanol; water | 65% |
Stage #1: acetone With sodium metabisulfite Stage #2: potassium cyanide Bucherer-Bergs reaction; Stage #3: ammonium carbonate Bucherer-Bergs reaction; | |
In ethanol; water at 50 - 80℃; Reflux; |
2,3:4,5-bis-O-(isopropylidene)-D-fructopyranose aldehyde
A
5,5-dimethyl-imidazolidine-2,4-dione
B
3,4:5,6-di-O-isopropylidene-β-D-arabino-DL-glycero-3-heptulopyranosonitrile
C
3,4:5,6-di-O-isopropylidene-β-D-arabino-DL-glycero-3-heptulopyranosoamide
Conditions | Yield |
---|---|
With potassium cyanide In ethanol; water at 50℃; for 72h; | A 77.8% B 2% C 7.3% |
5-[(R)-2-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2-hydroxy-eth-(Z)-ylidene]-imidazolidine-2,4-dione
A
5,5-dimethyl-imidazolidine-2,4-dione
B
5-(D-threo-2,3,4-trihydroxybutylidene)imidazol-2,4-dione
Conditions | Yield |
---|---|
hydrolysis; Yield given; | A 62.5% B n/a |
2,3:4,5-di-O-isopropylidene-D-xylose
A
5,5-dimethyl-imidazolidine-2,4-dione
B
5-(D-threo-2,3,4-trihydroxybutylidene)imidazol-2,4-dione
Conditions | Yield |
---|---|
With potassium cyanide In ethanol; water at 50℃; for 24h; | A 62.5% B 15% |
2,3:4,5-di-O-isopropylidene-D-xylose
A
5,5-dimethyl-imidazolidine-2,4-dione
B
5-[(R)-2-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2-hydroxy-eth-(Z)-ylidene]-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With potassium cyanide In ethanol; water at 50℃; for 24h; | A 62.5% B n/a |
carbonic-acid
2-amino-2-cyanopropane
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
at 25℃; for 24h; | 50% |
(3aR,5S,5aR,8aS,8bR)-2,2,7,7-Tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-carbaldehyde
A
5,5-dimethyl-imidazolidine-2,4-dione
B
5-(4,5-isopropylidene-L-gluconor-L-mannono-nitrile-6-yl)hydantoin
C
5-<1,2:3,4-di-O-isopropylidene-α-D-galacto-pentopyranose-5(R)-yl>hydantoin
D
6-deoxy-1,2:3,4-di-O-isopropylidene-6-ureido-DL-glycero-α-D-galacto-heptopyranuronamide
Conditions | Yield |
---|---|
With potassium cyanide In ethanol; water at 50℃; for 24h; | A 45% B 2% C 15.7% D 23% |
1H-imidazole
1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione
A
4-bromo-1 H-imidazole
B
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With sulfuric acid In water at 0℃; for 0.0833333h; | A 21% B 33% |
3,4-dihydro-4,4,6-trimethylpyrimidine-2(1H)-thione
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With potassium permanganate; water |
2-amino-2-methylpropanamide
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With ethanol; carbon dioxide |
Conditions | Yield |
---|---|
With potassium hypobromite |
(1-Cyan-1-methylethyl)harnstoff
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With hydrogenchloride |
N-carbamoyl-α-aminoisobutyric acid
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
at 130 - 140℃; | |
With hydrogenchloride | |
With hydrogenchloride at 50℃; Rate constant; |
ethyl 2-isocyanato-2-methylpropionate
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With ammonium hydroxide anschliessende Cyclisierung mit wss.HCl; |
dimethyl-malonic acid bis-bromoamide
sodium methylate
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
erst in der Kaelte, dann in der Hitze; |
dimethyl-malonic acid bis-bromoamide
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With sodium methylate |
Conditions | Yield |
---|---|
at 160 - 170℃; |
ammonium carbamate
2-hydroxy-2-methylpropanenitrile
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
at 50 - 65℃; |
Conditions | Yield |
---|---|
With ethanol; carbon dioxide; ammonia | |
With water; ammonium carbonate | |
With carbon dioxide; water; ammonium carbonate |
Conditions | Yield |
---|---|
With hydrogenchloride; potassium cyanate | |
With water; ammonium carbonate | |
With hydrogenchloride; potassium cyanate | |
With carbon dioxide; water; ammonium carbonate |
2-amino-2-cyanopropane
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With carbon dioxide; water |
Conditions | Yield |
---|---|
With hydrogenchloride; ascorbic acid In water at 30℃; |
(1-Carbamoyl-1-methyl-ethyl)-carbamic acid ethyl ester
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With sodium hydroxide In methanol for 1.5h; Ambient temperature; |
tert-butyl (1-amino-2-methyl-1-oxopropan-2-yl)carbamate
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With sodium hydroxide In methanol for 1.5h; Ambient temperature; |
benzyl N-(2-amino-1,1-dimethyl-2-oxo-ethyl)carbamate
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With sodium hydroxide In methanol for 1.5h; Ambient temperature; |
1,3-di(chlorothio)-5,5-dimethylhydantoin
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With water |
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With arsenic(III); potassium iodide In water other reductants; |
N-bromo-N'-chloro-5,5-dimethylhydantoin
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With hydrogenchloride; potassium bromide; hydrazine In acetic acid at 32℃; Product distribution; other reductants; |
morpholine
formaldehyd
5,5-dimethyl-imidazolidine-2,4-dione
5,5-Dimethyl-3-<(morpholin-4-yl)methyl>imidazolidin-2,4-dion
Conditions | Yield |
---|---|
With 4 A molecular sieve In N,N-dimethyl-formamide for 15h; Ambient temperature; | 100% |
In methanol for 2h; Condensation; | 98% |
In ethanol | 71% |
5,5-dimethyl-imidazolidine-2,4-dione
1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione
Conditions | Yield |
---|---|
With bromine | 99% |
With bromine | 99% |
With bromine | 99% |
Conditions | Yield |
---|---|
Stage #1: 5,5-dimethyl-imidazolidine-2,4-dione With sodium carbonate at 20℃; for 6h; Stage #2: With chlorine In tetrahydrofuran; ethyl acetate at 100℃; for 7h; Concentration; Microwave irradiation; | 98.72% |
With trichloroisocyanuric acid In acetonitrile at 20℃; for 0.5h; | 87% |
With water; chlorine at 8 - 10℃; |
Di-tert-butyl acetylenedicarboxylate
5,5-dimethyl-imidazolidine-2,4-dione
triphenylphosphine
Conditions | Yield |
---|---|
In ethyl acetate at 20℃; for 8h; | 98% |
5,5-dimethyl-imidazolidine-2,4-dione
4-cyanobenzyl bromide
4-((4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)methyl)benzonitrile
Conditions | Yield |
---|---|
potassium tert-butylate | 98% |
With potassium carbonate In N,N-dimethyl-formamide at 0 - 20℃; for 12h; | 53.5% |
4-iodo-2-(trifluoromethyl)benzonitrile
5,5-dimethyl-imidazolidine-2,4-dione
4-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile
Conditions | Yield |
---|---|
With copper(I) oxide In N,N-dimethyl-formamide at 150℃; for 12h; | 98% |
With copper(I) oxide In N,N-dimethyl-formamide at 150℃; for 12h; | 98% |
With copper(I) oxide In N,N-dimethyl-formamide at 150℃; for 14h; Inert atmosphere; regioselective reaction; | 82% |
5,5-dimethyl-imidazolidine-2,4-dione
benzyl alcohol
3-benzoyl-5,5-dimethylimidazolidine-2,4-dione
Conditions | Yield |
---|---|
With iron(III) chloride; calcium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate In water; acetonitrile at 35℃; for 1.5h; Sealed tube; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
In not given | 97% |
5,5-dimethyl-imidazolidine-2,4-dione
cyclohexane-1,2-epoxide
3-(2-hydroxy-cyclohexyl)-5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With lithium chloride In N-methyl-acetamide | 96.4% |
5,5-dimethyl-imidazolidine-2,4-dione
N-bromo-N'-chloro-5,5-dimethylhydantoin
Conditions | Yield |
---|---|
Stage #1: 5,5-dimethyl-imidazolidine-2,4-dione With bromine; sodium hydroxide In water at 5 - 10℃; for 0.25h; Large scale; Stage #2: With chlorine In water for 0.5h; Temperature; Reagent/catalyst; Large scale; | 96.3% |
With sodium hydroxide; bromine; chlorine In dichloromethane; water | |
With sodium hydroxide; bromine; chlorine In dichloromethane |
5,5-dimethyl-imidazolidine-2,4-dione
1,1,1,3,3,3-hexamethyl-disilazane
5,5-dimethyl-1,3-bis(TMS)hydantoin
Conditions | Yield |
---|---|
In 1,2-dichloro-ethane for 15h; Heating; | 96% |
N-(oxiran-2-ylmethyl)-N-ethylaniline
5,5-dimethyl-imidazolidine-2,4-dione
3-(5,5-dimethylhydantoin-3-yl)-1-(N-ethylanilino)propan-2-ol
Conditions | Yield |
---|---|
In ethanol at 20 - 150℃; for 19h; | 96% |
Conditions | Yield |
---|---|
With [bis(2-methylallyl)cycloocta-1,5-diene]ruthenium(II); 1,4-bis(dicyclohexylphosphino)butane; ytterbium(III) triflate In N,N-dimethyl-formamide at 60℃; for 16h; Inert atmosphere; optical yield given as %de; | 96% |
5,5-dimethyl-imidazolidine-2,4-dione
dimethyl acetylenedicarboxylate
triphenylphosphine
Conditions | Yield |
---|---|
In ethyl acetate at 20℃; for 8h; | 95% |
5,5-dimethyl-imidazolidine-2,4-dione
benzyl chloride
3-benzyl-5,5-dimethyl-2,4-imidazolidinedione
Conditions | Yield |
---|---|
With potassium carbonate In DMF (N,N-dimethyl-formamide) at 20℃; | 94% |
With potassium carbonate In DMF (N,N-dimethyl-formamide) at 20℃; | 94% |
With sodium hydride In N,N-dimethyl-formamide for 15h; Ambient temperature; | 53% |
methanol
5,5-dimethyl-imidazolidine-2,4-dione
methyl N-isopropylallophanate
Conditions | Yield |
---|---|
for 30h; Irradiation; | 93% |
5,5-dimethyl-imidazolidine-2,4-dione
p-methoxybenzyl chloride
3-(4-methoxybenzyl)-5,5-dimethylimidazolidine-2,4-dione
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 20℃; for 8h; Inert atmosphere; | 93% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 16h; | 88.5% |
Stage #1: 5,5-dimethyl-imidazolidine-2,4-dione With potassium hydroxide In ethanol at 25 - 90℃; Stage #2: p-methoxybenzyl chloride In methanol; ethanol at 25 - 60℃; | 14% |
Conditions | Yield |
---|---|
Stage #1: 5,5-dimethyl-imidazolidine-2,4-dione With potassium carbonate In acetone at 20℃; for 0.5h; Stage #2: 1,8-dibromooctane In acetone at 20℃; for 3h; | 92.4% |
Stage #1: 5,5-dimethyl-imidazolidine-2,4-dione With potassium carbonate In acetone for 0.5h; Reflux; Stage #2: 1,8-dibromooctane In acetone Reflux; | 92.4% |
5,5-dimethyl-imidazolidine-2,4-dione
allyl bromide
1-(Prop-2-enyl)-4,4-dimethyl-2,5-dioxoimidazolidine
Conditions | Yield |
---|---|
With potassium hydroxide In methanol; water at 60℃; for 2h; | 92% |
Stage #1: 5,5-dimethyl-imidazolidine-2,4-dione With sodium hydroxide In water Stage #2: allyl bromide In methanol; water at 60℃; for 1h; | 90% |
With triethylamine In tetrahydrofuran for 5h; Addition; Heating; |
5,5-dimethyl-imidazolidine-2,4-dione
1-Bromo-2-chloroethane
3-(2'-chloroethyl)-5, 5-dimethylhydantoin
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 80℃; for 8h; | 92% |
With potassium hydroxide In ethanol at 80℃; for 8h; | 92% |
Stage #1: 5,5-dimethyl-imidazolidine-2,4-dione With sodium hydroxide In ethanol at 90℃; for 0.166667h; Stage #2: 1-Bromo-2-chloroethane In ethanol at 80℃; for 8h; | 87.6% |
5,5-dimethyl-imidazolidine-2,4-dione
Ethyl 2-bromopropionate
2-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)propionic acid ethyl ester
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 85℃; for 90h; Inert atmosphere; regioselective reaction; | 92% |
5,5-dimethyl-imidazolidine-2,4-dione
benzyl bromide
3-benzyl-5,5-dimethyl-2,4-imidazolidinedione
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 85℃; for 6h; Inert atmosphere; regioselective reaction; | 92% |
Stage #1: 5,5-dimethyl-imidazolidine-2,4-dione With potassium carbonate In acetone for 0.5h; Reflux; Stage #2: benzyl bromide In acetone at 20℃; for 21h; Reflux; | 73% |
5,5-dimethyl-imidazolidine-2,4-dione
bis(4-methylphenyl)iodonium trifluoromethanesulfonate
5,5-dimethyl-3-(p-tolyl)imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With potassium phosphate; copper(l) iodide In 1,2-dichloro-ethane at 20℃; for 7h; Inert atmosphere; Schlenk technique; Sealed tube; | 92% |
5,5-dimethyl-imidazolidine-2,4-dione
benzyl bromide
B
3-benzyl-5,5-dimethyl-2,4-imidazolidinedione
Conditions | Yield |
---|---|
With potassium carbonate In acetone | A 91.3% B n/a |
Conditions | Yield |
---|---|
With copper(I) oxide In N,N-dimethyl-formamide at 150℃; for 14h; Inert atmosphere; regioselective reaction; | 91% |
(3-chloropropyl)triethoxysilane
5,5-dimethyl-imidazolidine-2,4-dione
5,5-dimethyl-3-(3'-triethoxysilylpropyl)hydantoin
Conditions | Yield |
---|---|
Stage #1: 5,5-dimethyl-imidazolidine-2,4-dione With potassium hydroxide In ethanol Heating / reflux; Stage #2: (3-chloropropyl)triethoxysilane In DMF (N,N-dimethyl-formamide) at 60 - 95℃; for 5h; | 90.3% |
Stage #1: 5,5-dimethyl-imidazolidine-2,4-dione With sodium hydroxide In ethanol at 90℃; for 0.166667h; Stage #2: (3-chloropropyl)triethoxysilane In N,N-dimethyl-formamide at 95℃; for 10h; |
5,5-dimethyl-imidazolidine-2,4-dione
1,3-Diiodo-5,5-dimethyl-2,4-imidazolidinedione
Conditions | Yield |
---|---|
With sodium hypochlorite; iodine In acetic acid butyl ester; water at 10℃; for 2h; Solvent; Reagent/catalyst; | 90% |
With Iodine monochloride; sodium hydroxide In chloroform; water at -5 - 5℃; for 2h; | 63.3% |
With sodium hydroxide; Iodine monochloride In chloroform at 0℃; for 0.25h; | 48% |
Conditions | Yield |
---|---|
With hydrazine hydrate | 90% |
With hydrazine hydrate | |
With hydrazine hydrate Heating; | |
With hydrazine hydrate |
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