56222-83-4

1-Amino-4-(4-methylphenylsulfonamido)-2-anthraquinonesulfonic acid,phe nyl ester 1-Amino-9,10-dihydro-4-[[(4-methylphenyl)sulfonyl]amino]-9,10-dioxo-2-anthracenesulfonic acid phenyl ester 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-[[(4-methylphenyl)sulfonyl]amino]-9,10-dioxo-, phenyl ester