发明人韩伟,张德明,王建平. "Method for the Synthesis of 2-Ethyloctahydro-1H-pyrido[1,2-a]pyrazine" [P]. 中国发明专利, 专利号 CN 112407748 B, 授权公告日 2022-07-15.
发明人唐晓军,高志强,沈红梅. "A Process for Preparing High-Purity 2-Ethyloctahydro-1H-pyrido[1,2-a]pyrazine" [P]. 中国发明专利, 专利号 CN 115182416 B, 授权公告日 2024-10-04.
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