发明人高志强,杨光,朱建伟. "Method for the Synthesis of 3-(Ethylsulfanyl)pyrazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114572350 A, 授权公告日 2023-04-26.
发明人冯建国,林芳,刘建华. "A Process for Preparing High-Purity 3-(Ethylsulfanyl)pyrazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117357645 A, 授权公告日 2017-09-16.
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