发明人罗永刚,沈红梅,林芳. "Method for the Synthesis of 4-[(2-methoxybenzenesulfonamido)methyl]benzoic acid" [P]. 中国发明专利, 专利号 CN 109335955 B, 授权公告日 2018-01-14.
发明人赵玉洁,杨光,孙丽萍. "A Process for Preparing High-Purity 4-[(2-methoxybenzenesulfonamido)methyl]benzoic acid" [P]. 中国发明专利, 专利号 CN 109942820 B, 授权公告日 2025-12-13.
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