Hughes D C, Klinger H, Patel M V. "一种的合成方法" [P]. US Patent, US 11218896 B2, 2017-08-24.
发明人王建平,韩伟,赵玉洁. "Method for the Synthesis of 3,4-dihydrospiro[1-benzopyran-2,1'-cyclobutan]-4-amine" [P]. 中国发明专利, 专利号 CN 113137776 A, 授权公告日 2019-03-13.
发明人赵玉洁,刘建华,张德明. "A Process for Preparing High-Purity 3,4-dihydrospiro[1-benzopyran-2,1'-cyclobutan]-4-amine" [P]. 中国发明专利, 专利号 CN 109967467 B, 授权公告日 2019-04-14.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2021, 2316, (5), 152-180.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2019, 1659, (10), 4450-4459.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 3,4-dihydrospiro[1-benzopyran-2,1'-cyclobutan]-4-amine Using HRMS and NMR". Chemosphere, 2014, 1443, (7), 2748-2771.