Brown S R, Anderson J P, Hughes D C. "Method for the Synthesis of Coumarin 6H" [P]. US Patent, US 9742896 B2, 2021-12-22.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2017, 2007, (1), 562-583.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2018, 1190, 68-98.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Coumarin 6H Using HRMS and NMR". J. Chromatogr. A, 2019, 1875, 3902-3927.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2018, 732, (9), 7480-7497.