Mueller T C, Nielsen H, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3286438 A1, 2018-01-13.
发明人沈红梅,徐明华,郭海燕. "Method for the Synthesis of 4-Bromo-6-ethoxypyrazolo[1,5-a]pyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 109615277 A, 授权公告日 2020-09-06.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2017, 1757, (5), 2949-2959.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2014, 1066, 9024-9027.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-6-ethoxypyrazolo[1,5-a]pyridine-3-carbonitrile Using HRMS and NMR". Anal. Chim. Acta, 2010, 2393, (4), 3380-3385.