发明人沈红梅,唐晓军,刘建华. "Method for the Synthesis of tert-Butyl 4-(4-formyl-3-nitrophenyl)-piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 109044215 B, 授权公告日 2016-03-07.
发明人何建平,罗永刚,黄志刚. "A Process for Preparing High-Purity tert-Butyl 4-(4-formyl-3-nitrophenyl)-piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 108912947 A, 授权公告日 2017-09-04.
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