3-NITROBENZENESULFONAMIDE
N-Ethyl-N-benzylaniline-3'-sulfonic acid
4-PHENYLAZOBENZOYL CHLORIDE
3,7-dibromo-2,6-dihydroxynaphthalene
2-chloro-5-hydroxy-4-methylbenzoic acid
2,5-DIAMINO-BENZOIC ACID DIHYDROCHLORIDE
4-Phenylaminobenzaldehyde
4-Bromo-3-chloro-6-methoxyaniline