Johnson M A, Roberts E F, Anderson J P. "Method for the Synthesis of 3-Cyano-4-propoxybenzoic acid" [P]. US Patent, US 9170691 B2, 2017-09-19.
O'Brien P Q, Stevens L M, Davis P L. "A Process for Preparing High-Purity 3-Cyano-4-propoxybenzoic acid" [P]. US Patent, US 9549226 B2, 2019-01-20.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 1980, (6), 8157-8186.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2016, 2032, (3), 1466-1492.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 3-Cyano-4-propoxybenzoic acid Using HRMS and NMR". Anal. Chem., 2019, 1843, (10), 3902-3920.