Park J H, Hughes D C, Yamamoto T. "一种的合成方法" [P]. US Patent, US 9806172 B2, 2025-10-12.
Kumar R, Davis P L, Patel M V. "Method for the Synthesis of 4-Hydroxy-9-(2-methoxyphenyl)-7-(thiophen-2-yl)thieno[2,3-b:4,5-b']dipyridin-2(1H)-one" [P]. US Patent, US 11278166 B2, 2015-11-28.
Park J H, Brown S R, Thompson G K. "A Process for Preparing High-Purity 4-Hydroxy-9-(2-methoxyphenyl)-7-(thiophen-2-yl)thieno[2,3-b:4,5-b']dipyridin-2(1H)-one" [P]. US Patent, US 10184087 B2, 2023-02-22.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2016, 1512, (9), 2658-2667.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2011, 1217, 4874-4889.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-Hydroxy-9-(2-methoxyphenyl)-7-(thiophen-2-yl)thieno[2,3-b:4,5-b']dipyridin-2(1H)-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2023, 233, 5025-5055.