发明人黄志刚,杨光,马晓峰. "Method for the Synthesis of 2-(4-methylpiperazin-1-yl)-2-oxoacetic acid" [P]. 中国发明专利, 专利号 CN 117647955 B, 授权公告日 2024-11-11.
发明人胡光,高志强,罗永刚. "A Process for Preparing High-Purity 2-(4-methylpiperazin-1-yl)-2-oxoacetic acid" [P]. 中国发明专利, 专利号 CN 114135534 B, 授权公告日 2022-05-11.
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