发明人郑宇鹏,孙丽萍,钱学锋. "Method for the Synthesis of 2-(Methacryloyloxy)ethyl 6-amino-5-cyano-4-(2,6-dichlorophenyl)-2-methyl-4H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109230903 A, 授权公告日 2025-02-11.
发明人杨光,郑宇鹏,罗永刚. "A Process for Preparing High-Purity 2-(Methacryloyloxy)ethyl 6-amino-5-cyano-4-(2,6-dichlorophenyl)-2-methyl-4H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117255901 B, 授权公告日 2024-04-08.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2019, 1329, 3560-3590.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2023, 207, (7), 4648-4671.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Methacryloyloxy)ethyl 6-amino-5-cyano-4-(2,6-dichlorophenyl)-2-methyl-4H-pyran-3-carboxylate Using HRMS and NMR". Anal. Methods, 2023, 1827, 9649-9669.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2012, 606, 7435-7441.