发明人郑宇鹏,朱建伟,钱学锋. "Method for the Synthesis of 3-(Difluoromethoxy)cyclobutane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114347514 B, 授权公告日 2017-07-15.
发明人朱建伟,郑宇鹏,何建平. "A Process for Preparing High-Purity 3-(Difluoromethoxy)cyclobutane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115130253 A, 授权公告日 2017-12-22.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2022, 539, (4), 795-816.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2010, 462, (5), 4918-4940.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Difluoromethoxy)cyclobutane-1-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2016, 1845, (1), 8662-8668.