Björnsson E, Martínez F, Schröder R. "Method for the Synthesis of 3-(3-Chloro-4-methylphenyl)-3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one" [P]. European Patent, EP 3057642 A1, 2023-09-16.
发明人韩伟,郑宇鹏,林芳. "A Process for Preparing High-Purity 3-(3-Chloro-4-methylphenyl)-3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one" [P]. 中国发明专利, 专利号 CN 111475608 A, 授权公告日 2019-05-26.
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". Anal. Chem., 2015, 1507, 580-604.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2020, 356, (4), 9056-9081.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3-(3-Chloro-4-methylphenyl)-3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one Using HRMS and NMR". J. Sep. Sci., 2013, 1378, 9958-9967.