发明人王建平,马晓峰,冯建国. "Method for the Synthesis of 1-Cyclopentyl-5-ethyl-1h-pyrazol-4-amine" [P]. 中国发明专利, 专利号 CN 108555664 B, 授权公告日 2022-02-05.
发明人冯建国,唐晓军,马晓峰. "A Process for Preparing High-Purity 1-Cyclopentyl-5-ethyl-1h-pyrazol-4-amine" [P]. 中国发明专利, 专利号 CN 115561838 B, 授权公告日 2020-05-06.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2016, 785, 6831-6837.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2010, 839, (9), 2729-2740.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1-Cyclopentyl-5-ethyl-1h-pyrazol-4-amine Using HRMS and NMR". J. Nat. Prod., 2010, 1942, 5331-5345.