发明人郭海燕,何建平,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116346057 A, 授权公告日 2023-08-28.
发明人孙丽萍,马晓峰,何建平. "Method for the Synthesis of Ethyl 2-(1-{[1-(2-ethoxy-2-oxoethyl)cyclopropyl]amino}cyclopropyl)acetate" [P]. 中国发明专利, 专利号 CN 113598872 A, 授权公告日 2024-02-14.
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., 2019, 1759, (5), 7664-7685.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2022, 613, (9), 4522-4537.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(1-{[1-(2-ethoxy-2-oxoethyl)cyclopropyl]amino}cyclopropyl)acetate Using HRMS and NMR". Chemosphere, 2018, 1405, 7329-7355.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2011, 1695, 1600-1607.