发明人罗永刚,赵玉洁,张德明. "Method for the Synthesis of methyl 3-[2-(dimethylamino)ethenyl]-4-nitrobenzoate" [P]. 中国发明专利, 专利号 CN 116418460 B, 授权公告日 2020-07-25.
发明人杨光,胡光,林芳. "A Process for Preparing High-Purity methyl 3-[2-(dimethylamino)ethenyl]-4-nitrobenzoate" [P]. 中国发明专利, 专利号 CN 116121884 B, 授权公告日 2023-03-17.
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