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Roberts E F, O'Brien P Q, Lee S K. "Method for the Synthesis of (2E)-4,4-dimethyl-3-oxo-2-[[4-[(E)-3-phenylprop-2-enyl]piperazin-1-yl]methylidene]pentanenitrile" [P]. US Patent, US 9196282 B2, 2019-06-07.
发明人朱建伟,胡光,韩伟. "A Process for Preparing High-Purity (2E)-4,4-dimethyl-3-oxo-2-[[4-[(E)-3-phenylprop-2-enyl]piperazin-1-yl]methylidene]pentanenitrile" [P]. 中国发明专利, 专利号 CN 110413987 B, 授权公告日 2015-11-14.
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