发明人何建平,徐明华,唐晓军. "Method for the Synthesis of Methyl 3-[(Z)-(dimethylamino)methylidene]-1-[2-(1H-indol-3-yl)ethyl]-5-methyl-2-oxo-1,2-dihydro-3H-pyrrole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 110171109 A, 授权公告日 2015-01-01.
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