Thompson G K, Roberts E F, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9300566 B2, 2024-04-08.
发明人刘建华,郑宇鹏,朱建伟. "Method for the Synthesis of (E)-4-oxo-4-(2-(3,4,5-trimethoxybenzoyl)hydrazinyl)but-2-enoic acid" [P]. 中国发明专利, 专利号 CN 111349127 A, 授权公告日 2018-02-05.
发明人张德明,马晓峰,郭海燕. "A Process for Preparing High-Purity (E)-4-oxo-4-(2-(3,4,5-trimethoxybenzoyl)hydrazinyl)but-2-enoic acid" [P]. 中国发明专利, 专利号 CN 108109658 B, 授权公告日 2018-06-19.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2020, 2423, (2), 5532-5546.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2021, 1581, (10), 7271-7294.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of (E)-4-oxo-4-(2-(3,4,5-trimethoxybenzoyl)hydrazinyl)but-2-enoic acid Using HRMS and NMR". Food Chem., 2013, 574, (6), 6448-6456.