发明人张德明,周伟,马晓峰. "Method for the Synthesis of 2-(2-(4-Methylpiperazin-1-yl)-2-oxoethoxy)acetic acid" [P]. 中国发明专利, 专利号 CN 110337171 A, 授权公告日 2023-02-27.
发明人沈红梅,刘建华,张德明. "A Process for Preparing High-Purity 2-(2-(4-Methylpiperazin-1-yl)-2-oxoethoxy)acetic acid" [P]. 中国发明专利, 专利号 CN 109553414 B, 授权公告日 2016-01-27.
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