50803-29-7
3-氯磺酰基-4-甲氧基苯甲酸
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651729-63-4
3-chlorosulfonyl-4-methoxybenzoyl chloride
67745-31-7
4-methoxy-3-sulfanylbenzoic acid
87346-53-0
4-methoxy-3-methylsulfanylbenzoic acid