发明人周伟,黄志刚,张德明. "Method for the Synthesis of Methyl 6-amino-5-cyano-4-(4-methoxyphenyl)-2-methyl-4H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114054207 A, 授权公告日 2025-02-03.
发明人何建平,刘建华,郑宇鹏. "A Process for Preparing High-Purity Methyl 6-amino-5-cyano-4-(4-methoxyphenyl)-2-methyl-4H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117966493 B, 授权公告日 2018-09-25.
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