Brown S R, Chen K W, Anderson J P. "一种的合成方法" [P]. US Patent, US 11621073 B2, 2020-03-18.
发明人杨光,徐明华,钱学锋. "Method for the Synthesis of 7-Oxo-4,7-dihydro-5H-thieno[2,3-c]pyran-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110643926 A, 授权公告日 2022-07-03.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2020, 826, 2694-2708.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2012, 328, (2), 108-132.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 7-Oxo-4,7-dihydro-5H-thieno[2,3-c]pyran-5-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2023, 832, 9895-9917.