发明人李文辉,张德明,郑宇鹏. "Method for the Synthesis of Ethyl 4-(4-chlorophenyl)-5-formyl-2-methyl-6-(pyridin-2-ylsulfanyl)-1,4-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108785139 B, 授权公告日 2019-04-12.
发明人黄志刚,杨光,马晓峰. "A Process for Preparing High-Purity Ethyl 4-(4-chlorophenyl)-5-formyl-2-methyl-6-(pyridin-2-ylsulfanyl)-1,4-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111550834 A, 授权公告日 2023-09-16.
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