
-
Benzenesulfonamide,
4-[[1-(3,4-dimethoxybenzoyl)-2-oxopropyl]azo]-N-2-thiazolyl-
CAS:90711-49-2
Formula:C21H20N4O6S2

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4,9-Dithia-1,2,6,7-tetraazaspiro[4.4]nona-2,7-diene-3,8-dicarboxylic
acid, 1,6-bis(4-methoxyphenyl)-, dimethyl ester
CAS:91075-76-2
Formula:C21H20N4O6S2

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2-Thiophenecarboxylic acid,
4-[[(2,4-dinitrophenyl)hydrazono](5-ethyl-2-thienyl)methyl]-5-ethyl-,
methyl ester
CAS:95330-72-6
Formula:C21H20N4O6S2

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5-Thiazolecarboxylic acid,
2-[[(4-methoxyphenyl)[(4-sulfophenyl)azo]methylene]amino]-4-methyl-,
5-ethyl ester
CAS:676546-75-1
Formula:C21H20N4O6S2

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L-Alanine, N-[(4-methylphenyl)sulfonyl]-,
3-acetyl-5-hydroxy-4-(2-thiazolylazo)phenyl ester
CAS:139451-04-0
Formula:C21H20N4O6S2

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Ethanesulfonic acid,
2-[[3-[[4-[(4-hydroxyphenyl)azo]-2-methylphenyl]azo]phenyl]sulfonyl]-
CAS:61100-42-3
Formula:C21H20N4O6S2