发明人黄志刚,胡光,孙丽萍. "Method for the Synthesis of O-Nornuciferine" [P]. 中国发明专利, 专利号 CN 113645349 B, 授权公告日 2021-12-15.
Hughes D C, Yamamoto T, Thompson G K. "A Process for Preparing High-Purity O-Nornuciferine" [P]. US Patent, US 9611699 B2, 2016-07-04.
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