发明人赵玉洁,杨光,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117034361 A, 授权公告日 2023-02-22.
发明人钱学锋,周伟,王建平. "Method for the Synthesis of 2-(2-Chlorophenyl)-4-(3-(dimethylamino)phenyl)-5-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione" [P]. 中国发明专利, 专利号 CN 117226328 A, 授权公告日 2024-01-12.
发明人黄志刚,郭海燕,唐晓军. "A Process for Preparing High-Purity 2-(2-Chlorophenyl)-4-(3-(dimethylamino)phenyl)-5-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione" [P]. 中国发明专利, 专利号 CN 113079206 B, 授权公告日 2020-04-05.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2022, 1163, (5), 1326-1351.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2019, 994, (5), 7651-7678.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2-Chlorophenyl)-4-(3-(dimethylamino)phenyl)-5-methyl-1H-pyrazolo[4,3-c]pyridine-3,6(2H,5H)-dione Using HRMS and NMR". Food Chem., 2016, 2169, 124-153.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2017, 728, (10), 6554-6578.