发明人杨光,冯建国,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117505594 A, 授权公告日 2020-08-11.
发明人郑宇鹏,杨光,冯建国. "Method for the Synthesis of 3,5-Dimethyl-1-(4-nitrophenyl)piperazine" [P]. 中国发明专利, 专利号 CN 113501618 B, 授权公告日 2023-02-27.
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