4-methoxy-N-methyl-N-phenylbenzenesulfonamide

1-氨基-9,10-二氢-4-羟基-9,10-二氧代-2-蒽基4-甲氧基苯磺酸酯

4-methoxy-N-[2-(pyridin-4-ylamino)pyridin-3-yl]benzenesulfonamide

4-甲氧基-3-硝基苯磺酰氯

对甲苯磺酸 3-丁炔酯