发明人韩伟,孙丽萍,徐明华. "Method for the Synthesis of Ethyl 6-amino-5-cyano-2-{[(3-cyano-6-ethyl-5-methylpyridin-2-yl)sulfanyl]methyl}-4-phenyl-4H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108838812 B, 授权公告日 2023-04-28.
发明人唐晓军,沈红梅,李文辉. "A Process for Preparing High-Purity Ethyl 6-amino-5-cyano-2-{[(3-cyano-6-ethyl-5-methylpyridin-2-yl)sulfanyl]methyl}-4-phenyl-4H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116352411 B, 授权公告日 2015-10-10.
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