发明人冯建国,陈志强,张德明. "Method for the Synthesis of 1,5-Dimethyl-2-phenylpyrazolidin-3-one" [P]. 中国发明专利, 专利号 CN 108764829 A, 授权公告日 2021-03-22.
发明人周伟,刘建华,朱建伟. "A Process for Preparing High-Purity 1,5-Dimethyl-2-phenylpyrazolidin-3-one" [P]. 中国发明专利, 专利号 CN 109265546 B, 授权公告日 2018-08-22.
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