发明人刘建华,韩伟,罗永刚. "Method for the Synthesis of 6-Methylpyrazolo[1,5-a]pyrimidine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 108982112 A, 授权公告日 2020-04-13.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 2089, 9826-9841.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2019, 1718, 6185-6195.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 6-Methylpyrazolo[1,5-a]pyrimidine-3-carbonitrile Using HRMS and NMR". J. Agric. Food Chem., 2015, 244, (1), 9996-10010.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2016, 1248, 3238-3263.