Williams B T, Johnson M A, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9751798 B2, 2024-05-26.
Lefèvre J P, Schröder R, Kowalski A. "Method for the Synthesis of 2-Amino-4-ethyl-1h-pyrrole-3-carbonitrile" [P]. European Patent, EP 3062534 A1, 2018-07-26.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2011, 694, (10), 6278-6303.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2013, 1499, 3623-3649.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-4-ethyl-1h-pyrrole-3-carbonitrile Using HRMS and NMR". J. Agric. Food Chem., 2018, 1799, 7272-7288.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2010, 2235, 8196-8222.