Roberts E F, Mueller T, Schröder R. "Method for the Synthesis of Ethyl 4,6-dimethoxy-1H-indole-2-carboxylate" [P]. US Patent, US 11236703 B2, 2023-05-09.
发明人郑宇鹏,何建平,周伟. "A Process for Preparing High-Purity Ethyl 4,6-dimethoxy-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112268535 B, 授权公告日 2016-03-24.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2024, 369, (3), 8465-8479.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2021, 2408, (10), 4118-4124.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4,6-dimethoxy-1H-indole-2-carboxylate Using HRMS and NMR". Talanta, 2012, 1286, (11), 5380-5383.