发明人韩伟,唐晓军,周伟. "Method for the Synthesis of 2-hydroxy-4-{[(1-methyl-1H-pyrazol-5-yl)methyl]amino}benzoic acid" [P]. 中国发明专利, 专利号 CN 110557236 B, 授权公告日 2022-05-24.
发明人马晓峰,韩伟,何建平. "A Process for Preparing High-Purity 2-hydroxy-4-{[(1-methyl-1H-pyrazol-5-yl)methyl]amino}benzoic acid" [P]. 中国发明专利, 专利号 CN 114060178 B, 授权公告日 2016-02-24.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 2-hydroxy-4-{[(1-methyl-1H-pyrazol-5-yl)methyl]amino}benzoic acid in Pharmaceutical Formulations". Biomed. Chromatogr., 2023, 2285, (10), 7935-7940.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-hydroxy-4-{[(1-methyl-1H-pyrazol-5-yl)methyl]amino}benzoic acid as an Impurity". J. Sep. Sci., 2010, 350, (6), 354-359.