发明人李文辉,胡光,周伟. "Method for the Synthesis of 4-(2-Hydroxynicotinoyl)piperazin-2-one" [P]. 中国发明专利, 专利号 CN 108513213 B, 授权公告日 2022-09-16.
发明人钱学锋,黄志刚,何建平. "A Process for Preparing High-Purity 4-(2-Hydroxynicotinoyl)piperazin-2-one" [P]. 中国发明专利, 专利号 CN 115608802 A, 授权公告日 2018-02-08.
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". Anal. Methods, 2015, 1127, (12), 3204-3223.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2014, 1668, (8), 2182-2200.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2-Hydroxynicotinoyl)piperazin-2-one Using HRMS and NMR". Phytochemistry, 2017, 1843, (12), 4393-4421.