发明人钱学锋,林芳,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111145183 A, 授权公告日 2019-06-23.
发明人张德明,陈志强,孙丽萍. "Method for the Synthesis of (2E,4E)-2-Cyano-5-{[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)methyl]amino}-3-methylhexa-2,4-dienoic acid" [P]. 中国发明专利, 专利号 CN 116854184 B, 授权公告日 2020-07-02.
发明人何建平,朱建伟,郭海燕. "A Process for Preparing High-Purity (2E,4E)-2-Cyano-5-{[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)methyl]amino}-3-methylhexa-2,4-dienoic acid" [P]. 中国发明专利, 专利号 CN 109975634 A, 授权公告日 2022-09-12.
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