O'Brien P Q, Stevens L M, Fischer A B. "一种的合成方法" [P]. US Patent, US 10150180 B2, 2024-10-06.
发明人韩伟,沈红梅,钱学锋. "Method for the Synthesis of 2-(2-Hydroxy-5,7-dimethyl-1H-indol-3-yl)diazene-1-carbothioamide" [P]. 中国发明专利, 专利号 CN 112704910 A, 授权公告日 2022-11-10.
Nielsen H, Björnsson E, Johansson L. "A Process for Preparing High-Purity 2-(2-Hydroxy-5,7-dimethyl-1H-indol-3-yl)diazene-1-carbothioamide" [P]. European Patent, EP 3444631 A1, 2023-10-03.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2024, 306, (3), 8604-8633.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2023, 853, (10), 5753-5780.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2-Hydroxy-5,7-dimethyl-1H-indol-3-yl)diazene-1-carbothioamide Using HRMS and NMR". Anal. Chim. Acta, 2010, 1985, 7352-7382.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2022, 1195, 3394-3413.