89820-22-4
(4-chlorosulfonylphenyl) benzoate
+
74-89-5
甲胺
→
3077-61-0
4-HYDROXY-N-METHYLBENZENESULFONAMIDE
368-87-6
4-hydroxybenzenesulfonyl fluoride
31972-13-1
3,5-dibromo-4-hydroxy-N-methylbenzenesulfonamide