Kumar R, Johnson M A, Anderson J P. "一种{[4-(difluoromethoxy)-3-methoxybenzoyl]amino}acetic acid的合成方法" [P]. US Patent, US 9378075 B2, 2025-06-10.
O'Brien P Q, Schröder R, Fischer A B. "Method for the Synthesis of {[4-(difluoromethoxy)-3-methoxybenzoyl]amino}acetic acid" [P]. US Patent, US 11882219 B2, 2019-09-10.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of {[4-(difluoromethoxy)-3-methoxybenzoyl]amino}acetic acid in Pharmaceutical Formulations". Anal. Chim. Acta, 2021, 470, 9335-9351.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of {[4-(difluoromethoxy)-3-methoxybenzoyl]amino}acetic acid as an Impurity". J. Sep. Sci., 2019, 686, (5), 8106-8130.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of {[4-(difluoromethoxy)-3-methoxybenzoyl]amino}acetic acid Using HRMS and NMR". Sci. Total Environ., 2020, 1369, 4505-4510.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate {[4-(difluoromethoxy)-3-methoxybenzoyl]amino}acetic acid Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2017, 206, (9), 2519-2539.