发明人周伟,陈志强,何建平. "一种伐尼克兰杂质63的合成方法" [P]. 中国发明专利, 专利号 CN 108420836 A, 授权公告日 2018-05-22.
发明人张德明,胡光,高志强. "Method for the Synthesis of Varenicline Impurity 63" [P]. 中国发明专利, 专利号 CN 111966491 A, 授权公告日 2019-08-25.
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