Johnson M A, Schröder R, Lee S K. "Method for the Synthesis of (4S,4′S)-2,2′-(1-Methylethylidene)bis[4-(3,5-dimethylphenyl)-4,5-dihydrooxazole]" [P]. US Patent, US 11184112 B2, 2017-01-24.
发明人马晓峰,黄志刚,何建平. "A Process for Preparing High-Purity (4S,4′S)-2,2′-(1-Methylethylidene)bis[4-(3,5-dimethylphenyl)-4,5-dihydrooxazole]" [P]. 中国发明专利, 专利号 CN 111359848 B, 授权公告日 2015-04-23.
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". Environ. Sci. Technol., 2023, 1457, (5), 5155-5180.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2024, 2453, (3), 4331-4353.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of (4S,4′S)-2,2′-(1-Methylethylidene)bis[4-(3,5-dimethylphenyl)-4,5-dihydrooxazole] Using HRMS and NMR". J. Pharm. Biomed. Anal., 2020, 201, (4), 7716-7724.