Johansson L, Schröder R, Nowak P. "Method for the Synthesis of 3-Amino-4-cyano-1-isopropyl-1H-pyrrole-2-carboxylic acid" [P]. European Patent, EP 3631664 A1, 2025-09-01.
发明人高志强,陈志强,马晓峰. "A Process for Preparing High-Purity 3-Amino-4-cyano-1-isopropyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112240860 B, 授权公告日 2015-01-14.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2016, 2404, 5704-5718.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2019, 200, 6819-6843.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 3-Amino-4-cyano-1-isopropyl-1H-pyrrole-2-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2012, 1449, (6), 7753-7774.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2019, 1201, 1773-1803.