Jørgensen K, Mueller T C, Schröder R. "一种的合成方法" [P]. European Patent, EP 3832915 A1, 2019-03-16.
发明人钱学锋,张德明,王建平. "Method for the Synthesis of 2-(6,7-Dimethoxy-4-oxoquinolin-1(4H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 115662597 A, 授权公告日 2022-02-03.
Mueller T C, Kowalski A, Nielsen H. "A Process for Preparing High-Purity 2-(6,7-Dimethoxy-4-oxoquinolin-1(4H)-yl)acetic acid" [P]. European Patent, EP 3796732 A1, 2016-05-04.
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. Nat. Prod., 2011, 81, (11), 8189-8207.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2017, 402, (9), 5457-5465.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(6,7-Dimethoxy-4-oxoquinolin-1(4H)-yl)acetic acid Using HRMS and NMR". Chromatographia, 2018, 751, 6398-6424.