发明人黄志刚,郭海燕,钱学锋. "Method for the Synthesis of 6-Hydroxy-5-methoxyindole-2-carboxylic acid, 98%" [P]. 中国发明专利, 专利号 CN 108122729 A, 授权公告日 2025-04-09.
发明人冯建国,郭海燕,罗永刚. "A Process for Preparing High-Purity 6-Hydroxy-5-methoxyindole-2-carboxylic acid, 98%" [P]. 中国发明专利, 专利号 CN 109133956 A, 授权公告日 2020-04-28.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2013, 1746, 4846-4871.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2015, 1458, 8822-8826.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 6-Hydroxy-5-methoxyindole-2-carboxylic acid, 98% Using HRMS and NMR". Anal. Methods, 2019, 1690, (5), 9959-9963.