Hughes D C, Stevens L M, Williams B T. "一种的合成方法" [P]. US Patent, US 9892941 B2, 2023-04-23.
发明人韩伟,高志强,张德明. "Method for the Synthesis of 5-Cyclopropyl-2-(2-hydroxyethyl)-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 117471083 B, 授权公告日 2020-12-18.
发明人韩伟,唐晓军,马晓峰. "A Process for Preparing High-Purity 5-Cyclopropyl-2-(2-hydroxyethyl)-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 113685302 A, 授权公告日 2025-06-01.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2019, 920, (10), 5895-5905.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2013, 1933, 2012-2028.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 5-Cyclopropyl-2-(2-hydroxyethyl)-1,2-dihydro-3H-pyrazol-3-one Using HRMS and NMR". Environ. Sci. Technol., 2018, 1832, (10), 3796-3820.