发明人唐晓军,胡光,张德明. "Method for the Synthesis of 6,7-Dimethoxy-4-(methylthio)cinnoline" [P]. 中国发明专利, 专利号 CN 110510628 B, 授权公告日 2022-04-01.
发明人冯建国,陈志强,黄志刚. "A Process for Preparing High-Purity 6,7-Dimethoxy-4-(methylthio)cinnoline" [P]. 中国发明专利, 专利号 CN 115289237 B, 授权公告日 2023-02-24.
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