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2-Naphthalenesulfonic acid,7-amino-4-hydroxy-3-[[6(or 7)-sulfo-4-[[6(or 7)-sulfo-4-[(3-sulfophenyl)azo]-1- naphthalenyl]azo]-1-naphthalenyl]azo]-,tetrasodium salt CAS NO.: 33540-94-2
2-Naphthalenesulfonicacid,5-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-8-[2-[6-sulfo-4-[2-(3-sulfophenyl)diazenyl]-1-naphthalenyl]diazenyl]-,sodium salt (1:4)CAS NO.: 6428-60-0