发明人沈红梅,徐明华,张德明. "Method for the Synthesis of 3-(3,5-dimethyl-1H-pyrazol-4-yl)prop-2-ynoic acid" [P]. 中国发明专利, 专利号 CN 109142604 B, 授权公告日 2015-01-17.
发明人徐明华,唐晓军,张德明. "A Process for Preparing High-Purity 3-(3,5-dimethyl-1H-pyrazol-4-yl)prop-2-ynoic acid" [P]. 中国发明专利, 专利号 CN 111440723 B, 授权公告日 2025-03-26.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2014, 215, (9), 2583-2588.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2017, 1277, 9715-9745.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 3-(3,5-dimethyl-1H-pyrazol-4-yl)prop-2-ynoic acid Using HRMS and NMR". Anal. Chim. Acta, 2020, 2145, (9), 3976-3994.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2024, 2347, (1), 273-301.