Stevens L M, Brown S R, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 11284293 B2, 2021-07-04.
发明人林芳,王建平,杨光. "Method for the Synthesis of (1R,3S,5S)-2-(tert-butoxycarbonyl)-6,6-difluoro-2-azabicyclo[3.1.0]Hexane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114028983 A, 授权公告日 2023-02-18.
发明人林芳,唐晓军,赵玉洁. "A Process for Preparing High-Purity (1R,3S,5S)-2-(tert-butoxycarbonyl)-6,6-difluoro-2-azabicyclo[3.1.0]Hexane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114586961 B, 授权公告日 2017-12-05.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2022, 2202, (10), 3190-3205.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2023, 1947, (8), 6650-6669.