发明人韩伟,王建平,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112052140 A, 授权公告日 2024-08-03.
发明人林芳,周伟,朱建伟. "Method for the Synthesis of (4Z)-4-{2-[2-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 116551961 B, 授权公告日 2023-10-08.
O'Brien P Q, Schröder R, Brown S R. "A Process for Preparing High-Purity (4Z)-4-{2-[2-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-4,5-dihydro-1H-pyrazol-5-one" [P]. US Patent, US 10513415 B2, 2024-11-21.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2010, 148, (4), 4834-4863.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2022, 2200, 9649-9662.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of (4Z)-4-{2-[2-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-4,5-dihydro-1H-pyrazol-5-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 1949, (1), 3701-3717.