Yamamoto T, Fischer A B, Mueller T. "一种的合成方法" [P]. US Patent, US 10976819 B2, 2023-04-13.
发明人沈红梅,冯建国,李文辉. "Method for the Synthesis of Benzyl 5,6-dihydroxy-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117551637 A, 授权公告日 2023-03-09.
发明人何建平,黄志刚,郭海燕. "A Process for Preparing High-Purity Benzyl 5,6-dihydroxy-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110485075 A, 授权公告日 2022-09-23.
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". Food Chem., 2016, 1579, (12), 5592-5612.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2019, 1003, (3), 4913-4935.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Benzyl 5,6-dihydroxy-1H-indole-2-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2013, 1508, 6779-6798.