Williams B T, Thompson G K, Davis P L. "一种的合成方法" [P]. US Patent, US 10965631 B2, 2018-10-13.
Johansson L, Jørgensen K, Sørensen M. "Method for the Synthesis of (2S,4R)-Dibenzyl 4-((methylsulfonyl)oxy)pyrrolidine-1,2-dicarboxylate" [P]. European Patent, EP 3430575 A1, 2018-01-26.
发明人周伟,孙丽萍,高志强. "A Process for Preparing High-Purity (2S,4R)-Dibenzyl 4-((methylsulfonyl)oxy)pyrrolidine-1,2-dicarboxylate" [P]. 中国发明专利, 专利号 CN 116308081 A, 授权公告日 2022-03-02.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2012, 1114, (7), 9709-9731.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2011, 2237, (11), 594-620.