发明人沈红梅,黄志刚,李文辉. "Method for the Synthesis of 4-[4-[4-(Diphenylmethoxy)-1-piperidinyl]-1-butyne]-α,α-dimethyl-benzeneacetic Acid Methyl Ester" [P]. 中国发明专利, 专利号 CN 108112487 A, 授权公告日 2019-01-25.
发明人王建平,孙丽萍,刘建华. "A Process for Preparing High-Purity 4-[4-[4-(Diphenylmethoxy)-1-piperidinyl]-1-butyne]-α,α-dimethyl-benzeneacetic Acid Methyl Ester" [P]. 中国发明专利, 专利号 CN 109107039 A, 授权公告日 2016-08-12.
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