发明人李文辉,陈志强,韩伟. "Method for the Synthesis of 2-[cyclopropyl(2,3-difluoro-6-nitrophenyl)amino]acetic acid" [P]. 中国发明专利, 专利号 CN 113108076 B, 授权公告日 2025-05-16.
发明人郭海燕,唐晓军,钱学锋. "A Process for Preparing High-Purity 2-[cyclopropyl(2,3-difluoro-6-nitrophenyl)amino]acetic acid" [P]. 中国发明专利, 专利号 CN 114852899 B, 授权公告日 2023-08-17.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 2-[cyclopropyl(2,3-difluoro-6-nitrophenyl)amino]acetic acid in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 1016, (8), 9254-9266.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-[cyclopropyl(2,3-difluoro-6-nitrophenyl)amino]acetic acid as an Impurity". Biomed. Chromatogr., 2016, 874, (1), 2794-2803.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2-[cyclopropyl(2,3-difluoro-6-nitrophenyl)amino]acetic acid Using HRMS and NMR". Anal. Methods, 2024, 132, 1175-1200.