发明人钱学锋,张德明,罗永刚. "Method for the Synthesis of 5-((4-Aminopiperidin-1-yl)sulfonyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione hydrochloride" [P]. 中国发明专利, 专利号 CN 108231554 B, 授权公告日 2023-09-18.
发明人罗永刚,赵玉洁,钱学锋. "A Process for Preparing High-Purity 5-((4-Aminopiperidin-1-yl)sulfonyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione hydrochloride" [P]. 中国发明专利, 专利号 CN 108043454 A, 授权公告日 2016-01-21.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2021, 2056, (4), 5957-5976.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2024, 1609, 673-678.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 5-((4-Aminopiperidin-1-yl)sulfonyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione hydrochloride Using HRMS and NMR". Biomed. Chromatogr., 2014, 577, (7), 4013-4023.