4-氨基-2,6-二溴苯酚

苯磺酰氯

N-(4-oxocyclohexa-2,5-dien-1-ylidene)benzenesulfonamide

N-(3-bromo-4-oxocyclohexa-2,5-dien-1-ylidene)benzenesulfonamide

N-(4-hydroxyphenyl)benzenesulfonamide