![](//file1.lookchem.com/300w/substances/2022-04-14-06/fa10e044-b512-41b7-b6ad-d641c3d3b144.png)
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1-butyl-2-chloro-3-{[2-(2,4-dinitrophenyl)hydrazinylidene]methyl}-1H-indole
CAS:64209-20-7
Formula:C19H18ClN5O4
![](//www.lookchem.com/300w/2010/0620/30191-02-7.jpg)
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4'-acetamido-2-[(5-carbamoyl-2-chlorophenyl)azo]acetoacetanilide
CAS:30191-02-7
Formula:C19H18ClN5O4
![](//file1.lookchem.com/300w/substances/2022-03-09-08/c8efb11b-8c6f-43a4-a1c2-b5a43a89eecd.png)
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Cyclopropanecarboxylic acid,
2-[[4-chloro-2-[[[(5-cyanopyrazinyl)amino]carbonyl]amino]phenoxy]meth
yl]-, ethyl ester
CAS:660851-39-8
Formula:C19H18ClN5O4
![](//www.lookchem.com/300w/2010/0623/6657-37-0.jpg)
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methyl N-[4-[(2-chloro-4-nitrophenyl)azo]phenyl]-N-(2-cyanoethyl)-beta-alaninate
CAS:6657-37-0
Formula:C19H18ClN5O4
![](//file1.lookchem.com/300w/substances/2022-06-07-02/92bf678e-4d69-47db-8e35-39e771d65d5c.png)
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1H-Pyrrole-3-carboxylic acid,
1-[3-[(6-amino-5-nitro-2-pyridinyl)amino]propyl]-4-(2-chlorophenyl)-
CAS:667448-81-9
Formula:C19H18ClN5O4
![](//file1.lookchem.com/300w/substances/2022-06-07-02/d3df9e88-9068-4c46-a461-1462d572ea58.png)
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1H-Pyrrole-3-carboxylic acid,
1-[3-[(6-amino-5-nitro-2-pyridinyl)amino]propyl]-4-(4-chlorophenyl)-
CAS:667451-10-7
Formula:C19H18ClN5O4
![](//www.lookchem.com/300w/casimage/2011-02-23-08/667452-04-2.gif)
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1H-Pyrrole-3-carboxylic acid,
1-[3-[(6-amino-5-nitro-2-pyridinyl)amino]propyl]-4-(3-chlorophenyl)-
CAS:667452-04-2
Formula:C19H18ClN5O4
![](//www.lookchem.com/300w/casimage/2011-01-20-17/874750-73-9.gif)
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3-Pyridinecarboxylic acid,
1-[(6-chloro-3-pyridinyl)methyl]-1,2,3,5,6,7-hexahydro-8-nitroimidazo[1,
2-a]pyridin-5-yl ester
CAS:874750-73-9
Formula:C19H18ClN5O4
![](//www.lookchem.com/300w/casimage/2011-01-20-17/874750-75-1.gif)
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2-Pyridinecarboxylic acid,
1-[(6-chloro-3-pyridinyl)methyl]-1,2,3,5,6,7-hexahydro-8-nitroimidazo[1,
2-a]pyridin-5-yl ester
CAS:874750-75-1
Formula:C19H18ClN5O4
![](//www.lookchem.com/300w/casimage/2011-01-07-23/139512-04-2.gif)
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2-Pyridinecarboxylic acid,
3-[(4,6-dimethoxy-2-pyrimidinyl)hydroxymethyl]-,
2-(4-chlorophenyl)hydrazide
CAS:139512-04-2
Formula:C19H18ClN5O4