发明人刘建华,黄志刚,赵玉洁. "Method for the Synthesis of Ethyl 3-(chlorosulfonyl)-4-methoxybenzoate" [P]. 中国发明专利, 专利号 CN 113693757 B, 授权公告日 2022-12-20.
发明人周伟,沈红梅,冯建国. "A Process for Preparing High-Purity Ethyl 3-(chlorosulfonyl)-4-methoxybenzoate" [P]. 中国发明专利, 专利号 CN 108609861 B, 授权公告日 2021-03-04.
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