Jørgensen K, Björnsson E, Martínez F. "Method for the Synthesis of 4-butoxy-2-hydroxybenzoic acid" [P]. European Patent, EP 3624592 A1, 2020-01-24.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 4-butoxy-2-hydroxybenzoic acid in Pharmaceutical Formulations". Sci. Total Environ., 2017, 1169, 6703-6714.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-butoxy-2-hydroxybenzoic acid as an Impurity". Anal. Chem., 2018, 2265, 181-197.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-butoxy-2-hydroxybenzoic acid Using HRMS and NMR". Chemosphere, 2017, 817, 2001-2007.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate 4-butoxy-2-hydroxybenzoic acid Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2023, 669, (11), 7281-7298.