发明人赵玉洁,唐晓军,李文辉. "Method for the Synthesis of 4-Nitrophenyl pyrazine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117406311 B, 授权公告日 2017-02-13.
发明人徐明华,杨光,赵玉洁. "A Process for Preparing High-Purity 4-Nitrophenyl pyrazine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116547605 A, 授权公告日 2015-06-19.
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