| 英文同义词: | Direct Black 178;4-Amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid;C.I.Direct Black 178;2,7-Naphthalenedisulfonic acid, 4-amino-3-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]carbonyl]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)- |