3-(Acetylamino)-4-methoxybenzenesulfonyl chloride 3-Acetamido-4-methoxybenzenesulphonyl chloride 3746-67-6 Benzenesulfonyl chloride, 3-(acetylamino)-4-methoxy- EINECS 223-141-1 N-Acetyl-4-methoxymetanilyl chloride