发明人郑宇鹏,陈志强,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112255816 A, 授权公告日 2024-01-09.
发明人钱学锋,韩伟,张德明. "Method for the Synthesis of 1-(Sec-butyl)-4-methyl-1h-pyrazol-3-amine" [P]. 中国发明专利, 专利号 CN 109681176 B, 授权公告日 2019-03-03.
发明人马晓峰,朱建伟,罗永刚. "A Process for Preparing High-Purity 1-(Sec-butyl)-4-methyl-1h-pyrazol-3-amine" [P]. 中国发明专利, 专利号 CN 113876298 A, 授权公告日 2022-05-14.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2010, 1502, (8), 641-669.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2012, 1668, 8867-8887.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Sec-butyl)-4-methyl-1h-pyrazol-3-amine Using HRMS and NMR". J. Nat. Prod., 2016, 1695, 7726-7739.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2020, 628, (9), 8050-8060.