发明人张德明,何建平,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116980087 A, 授权公告日 2021-07-20.
发明人罗永刚,何建平,林芳. "Method for the Synthesis of Ethyl 4-[(chlorosulfonyl)methyl]benzoate" [P]. 中国发明专利, 专利号 CN 112927320 A, 授权公告日 2023-07-04.
发明人林芳,何建平,周伟. "A Process for Preparing High-Purity Ethyl 4-[(chlorosulfonyl)methyl]benzoate" [P]. 中国发明专利, 专利号 CN 109731489 A, 授权公告日 2024-12-06.
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