Sodium p-aminophenylarsonate127-85-5100 % similar Sodium P-aminobenzenesulfonate515-74-239 % similar Sodium P-aminobenzoate555-06-638 % similar Disodium hydrogen arsenate7778-43-032 % similar Sodium P-aminosalicylate133-10-832 % similar Sodium 2,4-diaminobenzenesulfonate3177-22-832 % similar 4-Aminophenol123-30-831 % similar Sodium P-aminohippurate94-16-630 % similar 1,4-Diaminobenzene dihydrochloride624-18-030 % similar Benzidine92-87-530 % similar