Thompson G K, Kumar R, Klinger H. "Method for the Synthesis of (7-Oxaspiro[3.5]Nonan-2-yl)hydrazine dihydrochloride" [P]. US Patent, US 11312373 B2, 2021-08-20.
发明人罗永刚,何建平,高志强. "A Process for Preparing High-Purity (7-Oxaspiro[3.5]Nonan-2-yl)hydrazine dihydrochloride" [P]. 中国发明专利, 专利号 CN 114590036 A, 授权公告日 2022-04-03.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2011, 1773, 3822-3847.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2010, 1788, 9447-9458.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of (7-Oxaspiro[3.5]Nonan-2-yl)hydrazine dihydrochloride Using HRMS and NMR". Molecules, 2021, 1062, (8), 7815-7842.