Schröder R, Roberts E F, Brown S R. "一种的合成方法" [P]. US Patent, US 9501080 B2, 2016-05-01.
Rossi M, Sørensen M, Mueller T C. "Method for the Synthesis of 7-Hydroxy-3-methylindolin-2-one" [P]. European Patent, EP 3537561 A1, 2020-05-18.
Fischer A B, Thompson G K, Park J H. "A Process for Preparing High-Purity 7-Hydroxy-3-methylindolin-2-one" [P]. US Patent, US 11550855 B2, 2018-02-21.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2013, 2308, 6517-6533.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2012, 2294, (3), 5608-5611.