发明人韩伟,唐晓军,马晓峰. "Method for the Synthesis of 3-Methyl-1-(4-nitrophenyl)-1,4-dihydrochromeno[4,3-c]pyrazole" [P]. 中国发明专利, 专利号 CN 114551647 B, 授权公告日 2025-10-17.
发明人沈红梅,唐晓军,黄志刚. "A Process for Preparing High-Purity 3-Methyl-1-(4-nitrophenyl)-1,4-dihydrochromeno[4,3-c]pyrazole" [P]. 中国发明专利, 专利号 CN 110671346 A, 授权公告日 2016-06-18.
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". Talanta, 2025, 1346, (2), 7921-7932.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2012, 1612, (1), 8576-8594.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-1-(4-nitrophenyl)-1,4-dihydrochromeno[4,3-c]pyrazole Using HRMS and NMR". J. Chromatogr. A, 2020, 2311, 7383-7403.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2018, 1230, 9249-9259.