发明人郑宇鹏,周伟,唐晓军. "Method for the Synthesis of 3-(3,4-Dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinoline" [P]. 中国发明专利, 专利号 CN 116208709 A, 授权公告日 2016-08-06.
发明人钱学锋,罗永刚,高志强. "A Process for Preparing High-Purity 3-(3,4-Dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinoline" [P]. 中国发明专利, 专利号 CN 117738219 B, 授权公告日 2022-11-25.
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