Kumar R, Johnson M A, Mueller T. "一种的合成方法" [P]. US Patent, US 9164268 B2, 2022-11-24.
发明人唐晓军,马晓峰,高志强. "Method for the Synthesis of tert-Butyl 2-cyclopropyl-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate" [P]. 中国发明专利, 专利号 CN 109985100 A, 授权公告日 2021-11-02.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2019, 1803, (5), 1558-1576.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2024, 1925, (1), 2456-2470.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 2-cyclopropyl-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2024, 948, 1097-1107.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2019, 433, 9486-9507.