27757-95-5

4-[(4-chloro-5-methyl-2-sulphophenyl)azo]-3-hydroxy-2-naphthoic acid 2-(2-Hydroxy-3-carboxy-1-naphtylazo)-4-methyl-5-chlorobenzenesulfonic acid 4-(4-Chloro-5-methyl-2-sulfophenylazo)-3-hydroxy-2-naphthalenecarboxylic acid 2-Naphthalenecarboxylic acid, 4-[2-(4-chloro-5-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-