发明人郑宇鹏,徐明华,胡光. "Method for the Synthesis of 1172828-81-7
3-Isobutyl-6-methyl-4-oxo-3,4-dihydrofuro[2,3-d]pyrimidine-5-carbohydrazide
MFCD14281967" [P]. 中国发明专利, 专利号 CN 113300515 B, 授权公告日 2021-07-04.
发明人徐明华,李文辉,马晓峰. "A Process for Preparing High-Purity 1172828-81-7
3-Isobutyl-6-methyl-4-oxo-3,4-dihydrofuro[2,3-d]pyrimidine-5-carbohydrazide
MFCD14281967" [P]. 中国发明专利, 专利号 CN 111827941 A, 授权公告日 2015-10-27.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2011, 1459, (7), 8658-8662.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2024, 977, 9615-9633.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1172828-81-7
3-Isobutyl-6-methyl-4-oxo-3,4-dihydrofuro[2,3-d]pyrimidine-5-carbohydrazide
MFCD14281967 Using HRMS and NMR". Talanta, 2017, 1006, 6214-6237.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2020, 2316, (10), 4767-4770.