Johansson L, Schröder R, Jørgensen K. "Method for the Synthesis of 4'-Methoxy-3'-methyl-3-nitro-[1,1'-biphenyl]-4-carboxylic acid" [P]. European Patent, EP 3094760 A1, 2016-02-20.
O'Brien P Q, Johnson M A, Hughes D C. "A Process for Preparing High-Purity 4'-Methoxy-3'-methyl-3-nitro-[1,1'-biphenyl]-4-carboxylic acid" [P]. US Patent, US 10415155 B2, 2015-01-01.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2019, 1608, 9243-9259.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2022, 987, 2690-2707.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4'-Methoxy-3'-methyl-3-nitro-[1,1'-biphenyl]-4-carboxylic acid Using HRMS and NMR". J. Chromatogr. A, 2017, 96, (2), 3235-3254.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2025, 409, 9792-9802.