Klinger H, Hughes D C, Yamamoto T. "一种的合成方法" [P]. US Patent, US 10392191 B2, 2017-06-07.
Chen K W, Park J H, Mueller T. "Method for the Synthesis of 1-(Trifluoromethyl)-2-thia-6-azaspiro[3.3]Heptane 2,2-dioxide oxalate" [P]. US Patent, US 11226351 B2, 2016-08-11.
发明人韩伟,何建平,胡光. "A Process for Preparing High-Purity 1-(Trifluoromethyl)-2-thia-6-azaspiro[3.3]Heptane 2,2-dioxide oxalate" [P]. 中国发明专利, 专利号 CN 110706950 B, 授权公告日 2020-06-15.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2019, 2017, (10), 6239-6248.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2021, 2059, 8278-8291.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Trifluoromethyl)-2-thia-6-azaspiro[3.3]Heptane 2,2-dioxide oxalate Using HRMS and NMR". Chemosphere, 2014, 592, (4), 7464-7491.