Davis P L, Chen K W, Roberts E F. "一种3-(2-aminoethyl)-5-ethyl-2,3-dihydro-1H-indol-2-one hydrochloride的合成方法" [P]. US Patent, US 10003290 B2, 2019-09-16.
发明人韩伟,罗永刚,孙丽萍. "Method for the Synthesis of 3-(2-aminoethyl)-5-ethyl-2,3-dihydro-1H-indol-2-one hydrochloride" [P]. 中国发明专利, 专利号 CN 116010383 B, 授权公告日 2025-12-20.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of 3-(2-aminoethyl)-5-ethyl-2,3-dihydro-1H-indol-2-one hydrochloride in Pharmaceutical Formulations". Anal. Methods, 2015, 1881, (7), 7729-7733.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-(2-aminoethyl)-5-ethyl-2,3-dihydro-1H-indol-2-one hydrochloride as an Impurity". J. Pharm. Biomed. Anal., 2023, 1322, 733-737.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2-aminoethyl)-5-ethyl-2,3-dihydro-1H-indol-2-one hydrochloride Using HRMS and NMR". J. Chromatogr. A, 2014, 1297, 5629-5653.