Patel M V, Fischer A B, Yamamoto T. "Method for the Synthesis of 5-(2,3-Dioxo-2,3-dihydro-1H-indol-5-yl)-2-furaldehyde" [P]. US Patent, US 10494351 B2, 2020-08-22.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2012, 2342, 4239-4255.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2015, 215, 9183-9202.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2,3-Dioxo-2,3-dihydro-1H-indol-5-yl)-2-furaldehyde Using HRMS and NMR". J. Chromatogr. A, 2013, 632, 31-56.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2010, 1231, 6826-6832.