英文别名2-amino-5-(4-aminophenyl)benzenesulfonic acid; 4,4'-Diamino-(1,1'-biphenyl)-3-sulfonic acid; 4,4'-Diaminobiphenyl-3-sulfonic acid; 2-azanyl-5-(4-azanylphenyl)benzenesulfonic acid; BENZIDINE-3-SULFONIC ACID; [1,1'-Biphenyl]-3-sulfonic acid, 4,4'-diamino- 
