Kumar R, Davis P L, Johnson M A. "一种的合成方法" [P]. US Patent, US 9847870 B2, 2024-11-06.
发明人杨光,韩伟,林芳. "Method for the Synthesis of 2',3'-Dihydro-1'H-spiro[cyclopropane-1,4'-[1,8]naphthyridine]-6'-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115977486 B, 授权公告日 2022-03-02.
发明人韩伟,陈志强,刘建华. "A Process for Preparing High-Purity 2',3'-Dihydro-1'H-spiro[cyclopropane-1,4'-[1,8]naphthyridine]-6'-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111272044 A, 授权公告日 2024-03-02.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2010, 2350, 55-83.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2015, 1977, 3341-3344.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2',3'-Dihydro-1'H-spiro[cyclopropane-1,4'-[1,8]naphthyridine]-6'-carboxylic acid Using HRMS and NMR". Chemosphere, 2023, 1241, (6), 9446-9455.