Kowalski A, Björnsson E, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3754702 A1, 2015-06-08.
Rossi M, Nielsen H, Schröder R. "Method for the Synthesis of (R)-4,5-Dimethyl-2-oxo-5-(trifluoromethyl)-2,5-dihydrofuran-3-carboxylic acid" [P]. European Patent, EP 3237367 A1, 2015-04-11.
发明人王建平,何建平,赵玉洁. "A Process for Preparing High-Purity (R)-4,5-Dimethyl-2-oxo-5-(trifluoromethyl)-2,5-dihydrofuran-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109683630 A, 授权公告日 2019-09-19.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2013, 2380, 6809-6822.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2012, 1608, 5803-5812.