Roberts E F, Anderson J P, Mueller T. "Method for the Synthesis of 4'-(Aminomethyl)-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one" [P]. US Patent, US 10813889 B2, 2016-10-17.
发明人胡光,李文辉,朱建伟. "A Process for Preparing High-Purity 4'-(Aminomethyl)-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one" [P]. 中国发明专利, 专利号 CN 111066296 B, 授权公告日 2019-12-16.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2015, 1569, (2), 8125-8132.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2011, 1348, 5822-5846.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4'-(Aminomethyl)-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 1293, 2750-2775.