71032-91-2 2-(4-Aminophenyl)-5-methyl-7-benzothiazolesulfonic acid potassium salt
71033-09-5 7-[[4-[(6-Amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]benzoyl]amino]-4-hydroxy-3-[[4-[(3-sulfophenyl)azo]-1-naphthalenyl]azo]-2-naphthalenesulfonic acid trisodium salt