Synonyms: | 4-Amino-5-hydroxy-6-[2-sodiosulfo-5-(4-vinylsulfonylbutyrylamino)phenylazo]-3-(4-vinylsulfonylphenylazo)-2,7-naphthalenedisulfonic acid disodium salt;4-Amino-5-hydroxy-6-[5-[4-(vinylsulfonyl)butyrylamino]-2-sodiosulfophenylazo]-3-[4-(vinylsulfonyl)phenylazo]-2,7-naphthalenedisulfonic acid disodium salt |