发明人马晓峰,韩伟,沈红梅. "Method for the Synthesis of 4-(3-Oxopiperazin-1-yl)pyridine-2-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 117468345 B, 授权公告日 2018-06-11.
Kowalski A, Sørensen M, Martínez F. "A Process for Preparing High-Purity 4-(3-Oxopiperazin-1-yl)pyridine-2-carboxylic acid hydrochloride" [P]. European Patent, EP 3147829 A1, 2023-03-18.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2019, 1935, (3), 7838-7858.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2024, 2411, (5), 520-535.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(3-Oxopiperazin-1-yl)pyridine-2-carboxylic acid hydrochloride Using HRMS and NMR". Chromatographia, 2012, 1191, 7368-7378.