发明人李文辉,沈红梅,张德明. "Method for the Synthesis of 5-Ethoxypyrazine-2-carbonyl chloride" [P]. 中国发明专利, 专利号 CN 117229893 A, 授权公告日 2022-10-25.
发明人朱建伟,沈红梅,张德明. "A Process for Preparing High-Purity 5-Ethoxypyrazine-2-carbonyl chloride" [P]. 中国发明专利, 专利号 CN 110963274 A, 授权公告日 2018-09-04.
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