发明人周伟,张德明,唐晓军. "Method for the Synthesis of 2-Ethyl-3,5(or 3,6)-dimethylpyrazine(Mixture of isomers)" [P]. 中国发明专利, 专利号 CN 114117581 A, 授权公告日 2022-07-08.
发明人李文辉,杨光,林芳. "A Process for Preparing High-Purity 2-Ethyl-3,5(or 3,6)-dimethylpyrazine(Mixture of isomers)" [P]. 中国发明专利, 专利号 CN 116031547 A, 授权公告日 2023-12-27.
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