发明人韩伟,沈红梅,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110167324 A, 授权公告日 2019-01-06.
发明人周伟,郭海燕,冯建国. "Method for the Synthesis of (R)-2-Bromo-7-isopropyl-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 112957843 B, 授权公告日 2018-03-11.
Hughes D C, Schröder R, Johnson M A. "A Process for Preparing High-Purity (R)-2-Bromo-7-isopropyl-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one" [P]. US Patent, US 10482884 B2, 2017-11-25.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2018, 1708, 4122-4133.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2018, 1609, 1384-1407.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-Bromo-7-isopropyl-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one Using HRMS and NMR". Talanta, 2014, 1947, 4611-4641.