Klinger H, Mueller T, Kumar R. "一种的合成方法" [P]. US Patent, US 10979654 B2, 2017-07-05.
发明人唐晓军,沈红梅,刘建华. "Method for the Synthesis of 6,6-difluoro-1,4-diazepane" [P]. 中国发明专利, 专利号 CN 114745983 B, 授权公告日 2022-01-09.
发明人林芳,郑宇鹏,韩伟. "A Process for Preparing High-Purity 6,6-difluoro-1,4-diazepane" [P]. 中国发明专利, 专利号 CN 110428355 A, 授权公告日 2019-02-07.
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". Phytochemistry, 2022, 2448, 1254-1264.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2012, 349, (12), 3828-3833.