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发明人李文辉,赵玉洁,黄志刚. "Method for the Synthesis of 2,6-Dimethyl-3,5-Dimethoxycarbonyl-4-(4-Difluoromethoxyphenyl)-1,4-Dihydropyridine" [P]. 中国发明专利, 专利号 CN 108448822 B, 授权公告日 2017-04-17.
发明人张德明,唐晓军,沈红梅. "A Process for Preparing High-Purity 2,6-Dimethyl-3,5-Dimethoxycarbonyl-4-(4-Difluoromethoxyphenyl)-1,4-Dihydropyridine" [P]. 中国发明专利, 专利号 CN 115396118 A, 授权公告日 2019-09-27.
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