O'Brien P Q, Johnson M A, Davis P L. "一种的合成方法" [P]. US Patent, US 11175812 B2, 2022-03-24.
Klinger H, Williams B T, Brown S R. "Method for the Synthesis of 7-Hydroxy Coumarin-" [P]. US Patent, US 10537832 B2, 2021-09-28.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2023, 1027, (2), 7455-7478.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2017, 1652, 5751-5776.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 7-Hydroxy Coumarin- Using HRMS and NMR". J. Nat. Prod., 2018, 912, 1022-1026.