发明人徐明华,钱学锋,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109060211 A, 授权公告日 2017-12-27.
发明人钱学锋,韩伟,马晓峰. "Method for the Synthesis of 5-Hydroxy-4-methoxy-2-methylpyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 111072649 B, 授权公告日 2024-06-05.
发明人胡光,钱学锋,冯建国. "A Process for Preparing High-Purity 5-Hydroxy-4-methoxy-2-methylpyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 108922174 B, 授权公告日 2018-03-25.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2011, 969, (2), 2735-2743.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2013, 1648, (12), 3602-3608.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 5-Hydroxy-4-methoxy-2-methylpyridazin-3(2H)-one Using HRMS and NMR". Anal. Chim. Acta, 2014, 484, (10), 5158-5184.