发明人林芳,赵玉洁,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117872048 A, 授权公告日 2022-05-17.
发明人朱建伟,黄志刚,马晓峰. "Method for the Synthesis of tert-Butyl 3-(1-(benzyloxycarbonylamino)-2-methoxy-2-oxoethylidene)azetidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111946359 B, 授权公告日 2021-06-27.
Mueller T, Davis P L, Park J H. "A Process for Preparing High-Purity tert-Butyl 3-(1-(benzyloxycarbonylamino)-2-methoxy-2-oxoethylidene)azetidine-1-carboxylate" [P]. US Patent, US 10655523 B2, 2019-01-24.
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". J. Nat. Prod., 2022, 1783, (12), 1587-1591.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2010, 877, (9), 2215-2240.