Hughes D C, Klinger H, Johnson M A. "一种的合成方法" [P]. US Patent, US 9831801 B2, 2018-05-28.
Jørgensen K, Johansson L, Sørensen M. "Method for the Synthesis of trans-4,4-difluoro-2-(methoxycarbonyl)cyclopentane-1-carboxylic acid" [P]. European Patent, EP 3319808 A1, 2015-04-18.
发明人钱学锋,陈志强,罗永刚. "A Process for Preparing High-Purity trans-4,4-difluoro-2-(methoxycarbonyl)cyclopentane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116318656 B, 授权公告日 2024-07-07.
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". Biomed. Chromatogr., 2018, 542, (9), 647-653.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2021, 1254, (3), 1343-1349.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of trans-4,4-difluoro-2-(methoxycarbonyl)cyclopentane-1-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2021, 2357, 6036-6044.