发明人罗永刚,沈红梅,林芳. "Method for the Synthesis of ethyl 5-hydroxypyrazine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114698455 B, 授权公告日 2015-03-15.
发明人王建平,周伟,唐晓军. "A Process for Preparing High-Purity ethyl 5-hydroxypyrazine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110047743 B, 授权公告日 2018-11-27.
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