Patel M V, Fischer A B, Hughes D C. "Method for the Synthesis of 2-((3-Oxo-2-(3,4,5-trimethoxybenzylidene)-2,3-dihydrobenzofuran-6-yl)oxy)acetic acid" [P]. US Patent, US 11714946 B2, 2025-07-01.
Björnsson E, Nowak P, Sørensen M. "A Process for Preparing High-Purity 2-((3-Oxo-2-(3,4,5-trimethoxybenzylidene)-2,3-dihydrobenzofuran-6-yl)oxy)acetic acid" [P]. European Patent, EP 3101196 A1, 2020-10-24.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2024, 2461, 7668-7671.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2014, 1968, (6), 3692-3719.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-((3-Oxo-2-(3,4,5-trimethoxybenzylidene)-2,3-dihydrobenzofuran-6-yl)oxy)acetic acid Using HRMS and NMR". J. Agric. Food Chem., 2019, 789, 5547-5559.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2014, 970, (3), 9970-9989.