![](//www.lookchem.com/300w/casimage/2011-01-20-21/927879-37-6.gif)
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1H-Pyrrole-2-carboxylic acid,
4-[[(2-phenoxy-5-pyrimidinyl)carbonyl]amino]-, ethyl ester
CAS:927879-37-6
Formula:C18H16N4O4
![](//www.lookchem.com/300w/casimage/2011-01-07-01/87966-66-3.gif)
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3-Pyridinecarboxylic acid,
5-cyano-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, 2-cyanoethyl ester
CAS:87966-66-3
Formula:C18H16N4O4
![](//file1.lookchem.com/300w/substances/2022-04-23-09/d94cbb4f-5ddc-41d6-841a-d9ba3011c690.png)
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Propanoic acid, 2-azido-3-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-,
(2S)-
CAS:880637-82-1
Formula:C18H16N4O4
![](//www.lookchem.com/300w/casimage/2011-01-07-02/88183-72-6.gif)
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2-Naphthalenecarboxaldehyde, 1,2,3,4-tetrahydro-4-methylene-,
(2,4-dinitrophenyl)hydrazone
CAS:88183-72-6
Formula:C18H16N4O4
![](//file1.lookchem.com/300w/22/218437.png)
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2-(2,2-diphenylhydrazinyl)-4,6-dioxo-1,4,5,6-tetrahydropyrimidin-5-yl acetate
CAS:40598-52-5
Formula:C18H16N4O4
![](//file1.lookchem.com/300w/substances/2022-06-04-02/4fe99af2-8780-48a9-af27-2c56770634cf.png)
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Pyrazinecarboxamide,
3-cyano-5-(3,4-dimethoxyphenyl)-6-(2-furanyl)-1,6-dihydro-
CAS:66371-56-0
Formula:C18H16N4O4
![](//www.lookchem.com/300w/casimage/2011-02-23-08/666750-18-1.gif)
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10H-Pyridazino[6,1-b]quinazolin-10-one,
1,2,3,4-tetrahydro-2-(4-methoxyphenyl)-3-nitro-
CAS:666750-18-1
Formula:C18H16N4O4
![](//www.lookchem.com/300w/casimage/2011-02-23-08/667920-33-4.gif)
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Benzoic acid, 2-(acetyloxy)-, (2,4-diamino-6-quinazolinyl)methyl ester
CAS:667920-33-4
Formula:C18H16N4O4
![](//www.lookchem.com/300w/casimage/2011-01-16-18/668969-22-0.gif)
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Benzoic acid,
5-cyano-2-[[[6-(4-morpholinyl)-3-pyridinyl]carbonyl]amino]-
CAS:668969-22-0
Formula:C18H16N4O4
![](//www.lookchem.com/300w/casimage/2011-02-22-01/67366-09-0.gif)
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1,8-Naphthyridine-3-carboxylic acid,
1-ethyl-1,4-dihydro-7-[[(4-hydroxyphenyl)hydrazono]methyl]-4-oxo-
CAS:67366-09-0
Formula:C18H16N4O4