发明人冯建国,林芳,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113929940 A, 授权公告日 2022-03-23.
发明人孙丽萍,赵玉洁,徐明华. "Method for the Synthesis of Ethyl 6-amino-5-cyano-4-(3-methoxy-4-((4-methylbenzyl)oxy)phenyl)-2-methyl-4H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114250065 A, 授权公告日 2015-08-03.
发明人周伟,王建平,沈红梅. "A Process for Preparing High-Purity Ethyl 6-amino-5-cyano-4-(3-methoxy-4-((4-methylbenzyl)oxy)phenyl)-2-methyl-4H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108557669 A, 授权公告日 2021-07-04.
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