发明人王建平,杨光,罗永刚. "Method for the Synthesis of rac-Clopidogrel EP Impurity A HCl" [P]. 中国发明专利, 专利号 CN 109014444 A, 授权公告日 2022-07-23.
发明人朱建伟,杨光,沈红梅. "A Process for Preparing High-Purity rac-Clopidogrel EP Impurity A HCl" [P]. 中国发明专利, 专利号 CN 113003173 A, 授权公告日 2023-10-27.
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