发明人李文辉,陈志强,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111884641 A, 授权公告日 2025-07-15.
发明人韩伟,沈红梅,赵玉洁. "Method for the Synthesis of 2-[4-(4-Nitrophenyl)piperazino]ethyl 3-chlorobenzenecarboxylate" [P]. 中国发明专利, 专利号 CN 108612892 A, 授权公告日 2021-01-19.
发明人韩伟,高志强,钱学锋. "A Process for Preparing High-Purity 2-[4-(4-Nitrophenyl)piperazino]ethyl 3-chlorobenzenecarboxylate" [P]. 中国发明专利, 专利号 CN 115680424 B, 授权公告日 2020-12-12.
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