发明人韩伟,杨光,罗永刚. "Method for the Synthesis of 2-Fluoro-5-(2-oxopyrrolidin-1-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 114690503 B, 授权公告日 2020-02-07.
Klinger H, Schröder R, Anderson J P. "A Process for Preparing High-Purity 2-Fluoro-5-(2-oxopyrrolidin-1-yl)benzoic acid" [P]. US Patent, US 11237854 B2, 2021-10-20.
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". Rapid Commun. Mass Spectrom., 2013, 1556, 9970-9994.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2020, 1205, (4), 675-696.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2-Fluoro-5-(2-oxopyrrolidin-1-yl)benzoic acid Using HRMS and NMR". Anal. Chem., 2010, 566, (11), 3127-3152.