O'Brien P Q, Fischer A B, Anderson J P. "一种的合成方法" [P]. US Patent, US 11938691 B2, 2023-09-03.
Mueller T, Fischer A B, Johnson M A. "Method for the Synthesis of 2-chloro-4-ethoxy-spiro[5,6-dihydropyrano[3,4-b]pyridine-8,3'-tetrahydrofuran]" [P]. US Patent, US 9167463 B2, 2018-01-08.
发明人李文辉,高志强,王建平. "A Process for Preparing High-Purity 2-chloro-4-ethoxy-spiro[5,6-dihydropyrano[3,4-b]pyridine-8,3'-tetrahydrofuran]" [P]. 中国发明专利, 专利号 CN 114202133 A, 授权公告日 2025-11-01.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2020, 769, (2), 9977-9986.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2025, 2048, (5), 5016-5043.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2-chloro-4-ethoxy-spiro[5,6-dihydropyrano[3,4-b]pyridine-8,3'-tetrahydrofuran] Using HRMS and NMR". Chromatographia, 2015, 1069, 3570-3582.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2011, 503, 8699-8718.