Product Name

  • Name

    21-DEOXYCORTISONE

  • EINECS 217-541-5
  • CAS No. 1882-82-2
  • Density 1.217 g/cm3
  • Solubility
  • Melting Point 236-239 °C
  • Formula C21H28O4
  • Boiling Point 524.571 °C at 760 mmHg
  • Molecular Weight 344.451
  • Flash Point 285.129 °C
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 1882-82-2 (21-DEOXYCORTISONE)
  • Hazard Symbols
  • Synonyms 17α-Hydroxy-11-oxoprogesterone;17α-Hydroxypregn-4-ene-3,11,20-trione;21-Deoxycortisone;4-Pregnene-17α-ol-3,11,20-trione;6-Pregn-4-en-17α-ol-3,11,20-trione;NSC 38722;
  • PSA 71.44000
  • LogP 3.01740

Synthetic route

21-iodocortisone
5758-63-4

21-iodocortisone

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
With mercaptoacetic acid In N,N-dimethyl-formamide for 0.25h; Ambient temperature;99.7%
21-deoxycortisol
641-77-0

21-deoxycortisol

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
With Jones reagent In butanone at 0 - 9℃; for 2h; Solvent;98.2%
2-((8S,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3,11-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl methanesulfonate
5783-48-2

2-((8S,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3,11-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl methanesulfonate

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
With sodium iodide; zinc In 1,2-dimethoxyethane; water for 5h; Heating;89%
17,21-dihydroxy-pregn-4-ene-3,11,20-trione
53-06-5, 10007-36-0, 15779-07-4, 35446-72-1, 104713-00-0

17,21-dihydroxy-pregn-4-ene-3,11,20-trione

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
With pyridine; p-toluenesulfonyl chloride Erwaermen des Reaktionsprodukts mit NaI und Essigsaeure;
With pyridine; methanesulfonyl chloride Erwaermen des Reaktionsprodukts mit NaI und Essigsaeure;
11α,17α-dihydroxypregn-4-ene-3,20-dione
603-98-5

11α,17α-dihydroxypregn-4-ene-3,20-dione

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
With chromium(VI) oxide; acetic acid
With pyridine; 4-acetylamino-2,2,6,6-tetramethyl-1-piperidinoxy; O-phenyl phosphorodichloridate In dimethyl sulfoxide; 1,2-dichloro-ethane at 0℃; for 3.5h;9.7 g
With N-chloro-succinimide In chloroform; dimethyl sulfoxide at -30℃; Temperature; Reagent/catalyst;9.07 g
3β,11α,17-trihydroxy-pregn-5-en-20-one
17276-51-6

3β,11α,17-trihydroxy-pregn-5-en-20-one

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
With chromium(VI) oxide; sulfuric acid; acetone Isomerisierung des Reaktionsprodukts mit HCl und Essigsaeure;
4β-chloro-17-hydroxy-5β-pregnane-3,11,20-trione
114160-28-0

4β-chloro-17-hydroxy-5β-pregnane-3,11,20-trione

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
With semicarbazide hydrochloride; sodium acetate Behandeln anschliessend mit Brenztraubensaeure;
4β-bromo-17-hydroxy-5β-pregnane-3,11,20-trione
111584-17-9

4β-bromo-17-hydroxy-5β-pregnane-3,11,20-trione

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
With pyridine
17-hydroxy-5β-pregnane-3,11,20-trione
10455-93-3

17-hydroxy-5β-pregnane-3,11,20-trione

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
With bromine Erhitzen des Reaktionsprodukts mit Pyridin;
Multi-step reaction with 2 steps
1: acetic acid; bromine
2: pyridine
View Scheme
16β-iodo-17-hydroxy-pregn-4-ene-3,11,20-trione

16β-iodo-17-hydroxy-pregn-4-ene-3,11,20-trione

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
With ethanol; nickel
17-hydroxyprogesterone
68-96-2

17-hydroxyprogesterone

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: mit Hilfe von Rhizopus nigricans
2: CrO3; acetic acid
View Scheme
3α,17-dihydroxy-5β-pregnane-11,20-dione
641-78-1

3α,17-dihydroxy-5β-pregnane-11,20-dione

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: CrO3; water containing acetic acid
2: bromine / Erhitzen des Reaktionsprodukts mit Pyridin
View Scheme
Multi-step reaction with 3 steps
1: tert-butyl alcohol; N-bromo-acetamide
2: acetic acid; bromine
3: pyridine
View Scheme
Multi-step reaction with 2 steps
1: tert-butyl hypochlorite; water; tert-butyl alcohol; HCl
2: aqueous semicarbazide hydrochloride; sodium acetate / Behandeln anschliessend mit Brenztraubensaeure
View Scheme
(17Ξ)-3α,11,20-triacetoxy-5β-pregna-9(11),17(20)-diene
115484-65-6

(17Ξ)-3α,11,20-triacetoxy-5β-pregna-9(11),17(20)-diene

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: peroxybenzoic acid; benzene / Behandeln des Reaktionsprodukts mit wss.-aethanol.NaOH
2: tert-butyl alcohol; N-bromo-acetamide
3: acetic acid; bromine
4: pyridine
View Scheme
3α,11α,17-trihydroxy-5β-pregnan-20-one
603-96-3

3α,11α,17-trihydroxy-5β-pregnan-20-one

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
2: CrO3; pyridine
3: aqueous semicarbazide hydrochloride; sodium acetate / Behandeln anschliessend mit Brenztraubensaeure
View Scheme
4β-chloro-11α,17-dihydroxy-5β-pregnane-3,20-dione

4β-chloro-11α,17-dihydroxy-5β-pregnane-3,20-dione

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: CrO3; pyridine
2: aqueous semicarbazide hydrochloride; sodium acetate / Behandeln anschliessend mit Brenztraubensaeure
View Scheme
20,20-ethanediyldioxy-3α,17-dihydroxy-5β-pregnan-11-one
116105-53-4

20,20-ethanediyldioxy-3α,17-dihydroxy-5β-pregnan-11-one

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: LiAlH4 / folgenden mit wss.HCl
3: CrO3; pyridine
4: aqueous semicarbazide hydrochloride; sodium acetate / Behandeln anschliessend mit Brenztraubensaeure
View Scheme
3β,11α-diacetoxy-17-hydroxy-pregn-5-en-20-one
115485-81-9

3β,11α-diacetoxy-17-hydroxy-pregn-5-en-20-one

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: methanol.KOH
2: CrO3; H2SO4; acetone / Isomerisierung des Reaktionsprodukts mit HCl und Essigsaeure
View Scheme
3β,11α-diacetoxy-16β-bromo-17-hydroxy-pregn-5-en-20-one
115963-58-1

3β,11α-diacetoxy-16β-bromo-17-hydroxy-pregn-5-en-20-one

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: palladium/charcoal / Hydrogenation
2: methanol.KOH
3: CrO3; H2SO4; acetone / Isomerisierung des Reaktionsprodukts mit HCl und Essigsaeure
View Scheme
21-chloro-17-hydroxy-pregna-4,9(11)-diene-3,20-dione
75868-48-3

21-chloro-17-hydroxy-pregna-4,9(11)-diene-3,20-dione

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: tetrafluoroboric acid; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione / butanone; water / 3.5 h / 0 - 5 °C / Inert atmosphere
2: Jones reagent / tetrahydrofuran / 2 h / 0 - 5 °C
3: acetic acid; zinc / tetrahydrofuran / 11 h / 20 - 55 °C / Inert atmosphere
View Scheme
Multi-step reaction with 4 steps
1: zinc; acetic acid / butanone / 50 - 55 °C
2: water; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; tetrafluoroboric acid / acetone / 3 h / 0 - 5 °C / Inert atmosphere
3: chromium chloride; mercaptoacetic acid; zinc / dimethyl sulfoxide / 2 h / 0 - 5 °C / Inert atmosphere
4: Jones reagent / butanone / 2 h / 0 - 9 °C
View Scheme
C21H26BrClO4

C21H26BrClO4

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
With acetic acid; zinc In tetrahydrofuran at 20 - 55℃; for 11h; Solvent; Temperature; Reagent/catalyst; Inert atmosphere;80.6 g
pregna-4,9(11)-diene-3,20-dione-17-hydroxy-21-methyl
34184-82-2

pregna-4,9(11)-diene-3,20-dione-17-hydroxy-21-methyl

17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: water; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; tetrafluoroboric acid / acetone / 3 h / 0 - 5 °C / Inert atmosphere
2: chromium chloride; mercaptoacetic acid; zinc / dimethyl sulfoxide / 2 h / 0 - 5 °C / Inert atmosphere
3: Jones reagent / butanone / 2 h / 0 - 9 °C
View Scheme
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

trimethyl orthoformate
149-73-5

trimethyl orthoformate

17α-hydroxy-3-methoxypregna-3,5-diene-11,20-dione
82937-74-4

17α-hydroxy-3-methoxypregna-3,5-diene-11,20-dione

Conditions
ConditionsYield
With toluene-4-sulfonic acid In 1,4-dioxane for 1.25h; Ambient temperature;76.5%
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

21-hydroxy-1,4-pregnadiene-3,11,20-trione
67067-81-6

21-hydroxy-1,4-pregnadiene-3,11,20-trione

Conditions
ConditionsYield
mit Hilfe von Corynebacterium simplex;
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

17-hydroxy-5α-pregnane-3,11,20-trione
1923-68-8

17-hydroxy-5α-pregnane-3,11,20-trione

Conditions
ConditionsYield
With Pd-BaSO4; ethyl acetate Hydrogenation;
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

ethylene glycol
107-21-1

ethylene glycol

3,3;20,20-bis-ethanediyldioxy-17-hydroxy-pregn-5-en-11-one
74332-34-6

3,3;20,20-bis-ethanediyldioxy-17-hydroxy-pregn-5-en-11-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid; benzene
With trimethyloxosulfonium bromide; orthoformic acid triethyl ester for 5h;
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

(8S,9S,10R,13S,14S,17R)-17-Hydroxy-17-(1-hydroxy-ethyl)-10,13-dimethyl-1,6,7,8,9,10,12,13,14,15,16,17-dodecahydro-2H-cyclopenta[a]phenanthrene-3,11-dione
151283-62-4

(8S,9S,10R,13S,14S,17R)-17-Hydroxy-17-(1-hydroxy-ethyl)-10,13-dimethyl-1,6,7,8,9,10,12,13,14,15,16,17-dodecahydro-2H-cyclopenta[a]phenanthrene-3,11-dione

Conditions
ConditionsYield
With 20β-hydroxysteroid dehydrogenase at 25℃; Rate constant; pH 6.4;
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

6β,17α-dihydroxy-5β-pregnane-3,11,20-trione
93064-67-6

6β,17α-dihydroxy-5β-pregnane-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 76.5 percent / toluene-p-sulphonic acid / dioxane / 1.25 h / Ambient temperature
2: 45.6 percent / O2 / ethanol / 5 h / Irradiation
3: 54 percent / H2 / Pd-CaCO3 / pyridine
View Scheme
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

6β,17α-dihydroxy-pregn-4-ene-3,11,20-trione
93064-66-5

6β,17α-dihydroxy-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 76.5 percent / toluene-p-sulphonic acid / dioxane / 1.25 h / Ambient temperature
2: 45.6 percent / O2 / ethanol / 5 h / Irradiation
View Scheme
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

3α,6β,17,20α-tetrahydroxy-5β-pregnan-11-one 6-hemisuccinate
93064-69-8

3α,6β,17,20α-tetrahydroxy-5β-pregnan-11-one 6-hemisuccinate

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 76.5 percent / toluene-p-sulphonic acid / dioxane / 1.25 h / Ambient temperature
2: 45.6 percent / O2 / ethanol / 5 h / Irradiation
3: 54 percent / H2 / Pd-CaCO3 / pyridine
4: 34.3 percent / pyridine / 5 h / Heating
5: 23 percent / cerous chloride, sodium borohydrode / methanol / 5 h / Ambient temperature
View Scheme
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

6β,17α-dihydroxy-5β-pregnane-3,11,20-trione 6-hemisuccinate
93064-68-7

6β,17α-dihydroxy-5β-pregnane-3,11,20-trione 6-hemisuccinate

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 76.5 percent / toluene-p-sulphonic acid / dioxane / 1.25 h / Ambient temperature
2: 45.6 percent / O2 / ethanol / 5 h / Irradiation
3: 54 percent / H2 / Pd-CaCO3 / pyridine
4: 34.3 percent / pyridine / 5 h / Heating
View Scheme
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

pregnane-4,9(11),16(17)-triene-3,20-dione
21590-20-5

pregnane-4,9(11),16(17)-triene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: benzene; toluene-4-sulfonic acid
2: sodium borate; ethanol
3: thionyl chloride; pyridine
4: aqueous acetic acid
View Scheme
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

16α,17α-dihydroxy-17β-methyl-D-homo-androsta-4,9(11)-diene-3,17a-dione
114035-27-7

16α,17α-dihydroxy-17β-methyl-D-homo-androsta-4,9(11)-diene-3,17a-dione

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: benzene; toluene-4-sulfonic acid
2: sodium borate; ethanol
3: thionyl chloride; pyridine
4: aqueous acetic acid
5: OsO4
6: Al2O3
View Scheme
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

16α,17-dihydroxy-pregna-4,9(11)-diene-3,20-dione
2135-08-2

16α,17-dihydroxy-pregna-4,9(11)-diene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: benzene; toluene-4-sulfonic acid
2: sodium borate; ethanol
3: thionyl chloride; pyridine
4: aqueous acetic acid
5: OsO4
View Scheme
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

11-oxomedroxyprogesterone
82332-00-1

11-oxomedroxyprogesterone

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: benzene; toluene-4-sulfonic acid
2: chloroform; diethyl ether
3: benzene
4: aqueous methanol.H2SO4
5: methanol.KOH
View Scheme
Multi-step reaction with 3 steps
1: toluene-4-sulfonic acid / dichloromethane; water
2: N-methylaniline; hydrogenchloride / tetrahydrofuran
3: hydrogenchloride; palladium on activated charcoal / ethanol; cyclohexene
View Scheme
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

5,17-dihydroxy-6β-methyl-5α-pregnane-3,11,20-trione
111767-44-3

5,17-dihydroxy-6β-methyl-5α-pregnane-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: benzene; toluene-4-sulfonic acid
2: chloroform; diethyl ether
3: benzene
4: aqueous methanol.H2SO4
View Scheme
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

21-acetoxy-17-hydroxy-6α-methyl-pregn-4-ene-3,11,20-trione
3751-03-9

21-acetoxy-17-hydroxy-6α-methyl-pregn-4-ene-3,11,20-trione

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: benzene; toluene-4-sulfonic acid
2: chloroform; diethyl ether
3: benzene
4: aqueous methanol.H2SO4
5: methanol.KOH
6: iodine; CaO; methanol / Reagens 4: THF; beim anschliessenden Erwaermen mit Kaliumacetat in Aceton
View Scheme

21-Deoxycortisone Specification

The 21-Deoxycortisone, with the CAS registry number 1882-82-2, is also known as 4-Pregnene-17α-ol-3,11,20-trione. It belongs to the product categories of Steroids; Steroids & Hormones - 13C & 2H; Intermediates & Fine Chemicals; Metabolites & Impurities; Pharmaceuticals. Its EINECS number is 217-541-5. This chemical's molecular formula is C21H28O4 and molecular weight is 344.44. What's more, its systematic name is 17-Hydroxypregn-4-ene-3,11,20-trione. This chemical is used as a cortisone derivative and a glucocorticoid.

Physical properties of 21-Deoxycortisone are: (1)ACD/LogP: 1.738; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.74; (4)ACD/LogD (pH 7.4): 1.74; (5)ACD/BCF (pH 5.5): 12.33; (6)ACD/BCF (pH 7.4): 12.33; (7)ACD/KOC (pH 5.5): 210.16; (8)ACD/KOC (pH 7.4): 210.16; (9)#H bond acceptors: 4; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 71.44 Å2; (13)Index of Refraction: 1.568; (14)Molar Refractivity: 92.637 cm3; (15)Molar Volume: 282.984 cm3; (16)Polarizability: 36.724×10-24cm3; (17)Surface Tension: 50.0 dyne/cm; (18)Density: 1.217 g/cm3; (19)Flash Point: 285.129 °C; (20)Enthalpy of Vaporization: 91.873 kJ/mol; (21)Boiling Point: 524.571 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(C)[C@@]3(O)CC[C@H]2[C@@H]4CC\C1=C\C(=O)CC[C@]1(C)[C@H]4C(=O)C[C@@]23C
(2)Std. InChI: InChI=1S/C21H28O4/c1-12(22)21(25)9-7-16-15-5-4-13-10-14(23)6-8-19(13,2)18(15)17(24)11-20(16,21)3/h10,15-16,18,25H,4-9,11H2,1-3H3/t15-,16-,18+,19-,20-,21-/m0/s1
(3)Std. InChIKey: PUKLDDOGISCFCP-JSQCKWNTSA-N 

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