发明人周伟,冯建国,孙丽萍. "Method for the Synthesis of 3-Ethyl-1,5-dimethyl-3,7-diaza-bicyclo[3.3.1]-nonane" [P]. 中国发明专利, 专利号 CN 110499025 A, 授权公告日 2015-11-19.
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