Johansson L, Björnsson E, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3218802 A1, 2019-03-27.
Fischer A B, Yamamoto T, Schröder R. "Method for the Synthesis of 3-Oxo-3H-indole-2-carbaldehyde" [P]. US Patent, US 10951412 B2, 2022-09-17.
发明人王建平,马晓峰,何建平. "A Process for Preparing High-Purity 3-Oxo-3H-indole-2-carbaldehyde" [P]. 中国发明专利, 专利号 CN 108203036 B, 授权公告日 2020-12-27.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2012, 2359, (3), 4991-5020.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2024, 340, (3), 453-477.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3-Oxo-3H-indole-2-carbaldehyde Using HRMS and NMR". Molecules, 2014, 92, (11), 4992-5008.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2012, 943, (10), 9159-9187.