Stevens L M, Johnson M A, Patel M V. "一种的合成方法" [P]. US Patent, US 9674620 B2, 2021-02-25.
发明人孙丽萍,徐明华,韩伟. "Method for the Synthesis of 1-(2-Methylpyridin-4-yl)-1H-pyrazol-4-amine" [P]. 中国发明专利, 专利号 CN 116893440 A, 授权公告日 2022-12-04.
Davis P L, Yamamoto T, Thompson G K. "A Process for Preparing High-Purity 1-(2-Methylpyridin-4-yl)-1H-pyrazol-4-amine" [P]. US Patent, US 11020585 B2, 2019-03-20.
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". J. Nat. Prod., 2020, 1705, (3), 8961-8988.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2021, 1939, (1), 2036-2052.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-Methylpyridin-4-yl)-1H-pyrazol-4-amine Using HRMS and NMR". Anal. Chem., 2010, 1682, (7), 5222-5247.