发明人孙丽萍,唐晓军,胡光. "Method for the Synthesis of Ethyl 4-ethyl-5-(((2-methoxyethyl)thio)carbonyl)-6-methyl-2-phenyl-1,4-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112460434 A, 授权公告日 2022-01-20.
发明人周伟,刘建华,胡光. "A Process for Preparing High-Purity Ethyl 4-ethyl-5-(((2-methoxyethyl)thio)carbonyl)-6-methyl-2-phenyl-1,4-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112598133 B, 授权公告日 2020-09-05.
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