Schröder R, Stevens L M, Lee S K. "Method for the Synthesis of 2-Methyl-4-oxo-4,5,6,7-tetrahydrobenzofuran-3-carboxylic acid" [P]. US Patent, US 9054755 B2, 2022-01-10.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2022, 434, (4), 2323-2353.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2022, 264, (9), 5165-5174.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-4-oxo-4,5,6,7-tetrahydrobenzofuran-3-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2019, 2417, (5), 578-585.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2015, 1072, (5), 7171-7198.