Chen K W, Hughes D C, Patel M V. "一种的合成方法" [P]. US Patent, US 9790953 B2, 2017-07-23.
Mueller T, Kumar R, Johnson M A. "Method for the Synthesis of Ethyl 3-(2-ethoxy-2-oxoethyl)-1H-pyrrolo[3,4-b]quinoline-2(3H)-carboxylate" [P]. US Patent, US 11308769 B2, 2025-11-19.
Brown S R, Johnson M A, Fischer A B. "A Process for Preparing High-Purity Ethyl 3-(2-ethoxy-2-oxoethyl)-1H-pyrrolo[3,4-b]quinoline-2(3H)-carboxylate" [P]. US Patent, US 11374278 B2, 2024-08-21.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2017, 1948, 7270-7286.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2011, 457, (9), 4213-4218.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-(2-ethoxy-2-oxoethyl)-1H-pyrrolo[3,4-b]quinoline-2(3H)-carboxylate Using HRMS and NMR". J. Sep. Sci., 2025, 2145, (6), 7744-7757.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2019, 221, (11), 967-990.