Björnsson E, Rossi M, Jørgensen K. "一种trimethyl(3-oxo-3-{3-oxo-3-[2-(trimethylazaniumyl)ethoxy]propoxy}propyl)azanium dihydrate dichloride的合成方法" [P]. European Patent, EP 3003610 A1, 2015-02-10.
发明人王建平,唐晓军,冯建国. "Method for the Synthesis of trimethyl(3-oxo-3-{3-oxo-3-[2-(trimethylazaniumyl)ethoxy]propoxy}propyl)azanium dihydrate dichloride" [P]. 中国发明专利, 专利号 CN 108026393 B, 授权公告日 2016-09-27.
O'Brien P Q, Yamamoto T, Stevens L M. "A Process for Preparing High-Purity trimethyl(3-oxo-3-{3-oxo-3-[2-(trimethylazaniumyl)ethoxy]propoxy}propyl)azanium dihydrate dichloride" [P]. US Patent, US 9147352 B2, 2023-03-16.
参考文献 Literature
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O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of trimethyl(3-oxo-3-{3-oxo-3-[2-(trimethylazaniumyl)ethoxy]propoxy}propyl)azanium dihydrate dichloride as an Impurity". Sci. Total Environ., 2012, 1380, 9402-9426.