Mueller T C, Kowalski A, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3928305 A1, 2024-03-23.
发明人杨光,赵玉洁,胡光. "Method for the Synthesis of 4,9-Dimethoxy-7-(trifluoromethyl)-5H-furo[3,2-g]chromen-5-one" [P]. 中国发明专利, 专利号 CN 109097540 A, 授权公告日 2022-03-13.
Fischer A B, Davis P L, Yamamoto T. "A Process for Preparing High-Purity 4,9-Dimethoxy-7-(trifluoromethyl)-5H-furo[3,2-g]chromen-5-one" [P]. US Patent, US 11703294 B2, 2025-07-13.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2017, 813, (5), 8048-8054.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2014, 1336, (3), 4468-4473.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4,9-Dimethoxy-7-(trifluoromethyl)-5H-furo[3,2-g]chromen-5-one Using HRMS and NMR". Anal. Chem., 2018, 1084, (11), 8216-8232.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2012, 137, (6), 8315-8333.