O'Brien P Q, Patel M V, Fischer A B. "一种的合成方法" [P]. US Patent, US 9677666 B2, 2015-10-08.
Nielsen H, Martínez F, Johansson L. "Method for the Synthesis of 3'-(Ethylcarbamoyl)-3-fluoro-[1,1'-biphenyl]-2-carboxylic acid" [P]. European Patent, EP 3453281 A1, 2017-08-08.
Klinger H, Williams B T, Park J H. "A Process for Preparing High-Purity 3'-(Ethylcarbamoyl)-3-fluoro-[1,1'-biphenyl]-2-carboxylic acid" [P]. US Patent, US 9780453 B2, 2024-01-27.
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". Chromatographia, 2010, 2393, 931-943.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2021, 928, (11), 5087-5108.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 3'-(Ethylcarbamoyl)-3-fluoro-[1,1'-biphenyl]-2-carboxylic acid Using HRMS and NMR". Biomed. Chromatogr., 2013, 555, 2878-2905.