发明人韩伟,陈志强,何建平. "一种卡托普利杂质8的合成方法" [P]. 中国发明专利, 专利号 CN 116274335 A, 授权公告日 2019-03-17.
发明人李文辉,马晓峰,赵玉洁. "Method for the Synthesis of Captopril Impurity 8" [P]. 中国发明专利, 专利号 CN 117549321 B, 授权公告日 2024-05-09.
发明人王建平,刘建华,高志强. "A Process for Preparing High-Purity Captopril Impurity 8" [P]. 中国发明专利, 专利号 CN 115788422 B, 授权公告日 2023-04-01.
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