发明人林芳,周伟,郭海燕. "Method for the Synthesis of Diisopropyl 3,3-difluorocyclobutane-1,1-dicarboxylate" [P]. 中国发明专利, 专利号 CN 117625630 A, 授权公告日 2015-04-11.
发明人胡光,何建平,朱建伟. "A Process for Preparing High-Purity Diisopropyl 3,3-difluorocyclobutane-1,1-dicarboxylate" [P]. 中国发明专利, 专利号 CN 114952929 B, 授权公告日 2022-12-20.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2025, 334, (11), 3262-3279.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 1471, 6140-6149.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Diisopropyl 3,3-difluorocyclobutane-1,1-dicarboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2023, 1899, (1), 4842-4872.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2014, 1793, 1389-1412.