Yamamoto T, Kumar R, Brown S R. "Method for the Synthesis of Benzyl 5-methoxy-6-nitroindoline-1-carboxylate" [P]. US Patent, US 10422654 B2, 2020-03-27.
Nielsen H, Sørensen M, Johansson L. "A Process for Preparing High-Purity Benzyl 5-methoxy-6-nitroindoline-1-carboxylate" [P]. European Patent, EP 3235908 A1, 2020-04-23.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2015, 1576, 781-785.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2017, 2031, 9789-9794.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Benzyl 5-methoxy-6-nitroindoline-1-carboxylate Using HRMS and NMR". Anal. Methods, 2015, 2464, (1), 9084-9097.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2017, 668, (9), 1618-1632.