发明人唐晓军,罗永刚,高志强. "Method for the Synthesis of 2-(6,7-Dimethoxy-3,4-dihydroisoquinolin-1(2H)-ylidene)acetonitrile" [P]. 中国发明专利, 专利号 CN 112833201 B, 授权公告日 2016-04-04.
发明人林芳,罗永刚,赵玉洁. "A Process for Preparing High-Purity 2-(6,7-Dimethoxy-3,4-dihydroisoquinolin-1(2H)-ylidene)acetonitrile" [P]. 中国发明专利, 专利号 CN 111367818 A, 授权公告日 2018-11-17.
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