发明人王建平,李文辉,赵玉洁. "Method for the Synthesis of (3Z)-6-Methyl-3-{[(3-methylphenyl)amino]methylidene}-3,4-dihydro-2H-pyran-2,4-dione" [P]. 中国发明专利, 专利号 CN 110380251 A, 授权公告日 2017-12-19.
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