发明人何建平,孙丽萍,周伟. "Method for the Synthesis of (3Z)-3-[(Dimethylamino)methylidene]-1-(4-nitrophenyl)pyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 109829488 B, 授权公告日 2020-12-07.
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