英文别名tetrasodium,(3Z)-5-amino-3-[[2-methoxy-5-(2-sulfonatooxyethylsulfonyl)phenyl]hydrazinylidene]-4-oxo-6-[[4-(2-sulfonatooxyethylsulfonyl)phenyl]diazenyl]naphthalene-2,7-disulfonate; 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-6-[2-[2-methoxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl ]-3-[2-[4-[[2-( sulfooxy)ethyl]sulfonyl]phenyl]diazenyl] -, sodium salt (1:4); 4-Amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-3-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2,7-naphthalenedisulfonic acid tetrasodium salt; 4-Amino-5-hydroxy-6-[5-[2-(sulfooxy)ethylsulfonyl]-2-methoxyphenylazo]-3-[p-[2-(sulfooxy)ethylsulfonyl]phenylazo]-2,7-naphthalenedisulfonic acid tetrasodium salt; C.I.Reactive Blue 250 
