发明人郑宇鹏,冯建国,孙丽萍. "一种4-amino-1-methyl-1H-pyrazole-5-carbohydrazide的合成方法" [P]. 中国发明专利, 专利号 CN 112127481 A, 授权公告日 2022-11-23.
发明人陈志强,马晓峰,赵玉洁. "Method for the Synthesis of 4-amino-1-methyl-1H-pyrazole-5-carbohydrazide" [P]. 中国发明专利, 专利号 CN 114516510 B, 授权公告日 2022-02-10.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 4-amino-1-methyl-1H-pyrazole-5-carbohydrazide in Pharmaceutical Formulations". Chromatographia, 2015, 1329, (3), 7617-7631.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-amino-1-methyl-1H-pyrazole-5-carbohydrazide as an Impurity". J. Nat. Prod., 2013, 443, (7), 2374-2387.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-amino-1-methyl-1H-pyrazole-5-carbohydrazide Using HRMS and NMR". Biomed. Chromatogr., 2010, 1014, 1479-1494.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 4-amino-1-methyl-1H-pyrazole-5-carbohydrazide Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2020, 1586, 9983-10007.