发明人周伟,郑宇鹏,李文辉. "Method for the Synthesis of ethyl 1-(piperidin-4-yl)-1H-pyrazole-4-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 111674885 B, 授权公告日 2019-05-15.
发明人沈红梅,陈志强,张德明. "A Process for Preparing High-Purity ethyl 1-(piperidin-4-yl)-1H-pyrazole-4-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 112009080 A, 授权公告日 2021-09-25.
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