英文别名4-(4-Hydroxyphenylazo)benzenesulfonic acid; 4-[(4-Sulfophenyl)diazenyl]phenol; 4-Hydroxy-4'-sulfoazobenzene; 4-[(4-Hydroxyphenyl)diazenyl]benzenesulfonic Acid; Benzenesulfonic acid, 4-[2-(4-hydroxyphenyl)diazenyl]-; 4-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzenesulfonic acid; 4-hydroxyphenylazo-4-benzenesulfonic acid 
