发明人孙丽萍,周伟,钱学锋. "Method for the Synthesis of Methyl 2-chloro-4-(methylsulfonamido)benzoate" [P]. 中国发明专利, 专利号 CN 115880767 A, 授权公告日 2022-12-19.
发明人赵玉洁,冯建国,胡光. "A Process for Preparing High-Purity Methyl 2-chloro-4-(methylsulfonamido)benzoate" [P]. 中国发明专利, 专利号 CN 112648930 B, 授权公告日 2017-01-22.
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