发明人王建平,沈红梅,朱建伟. "Method for the Synthesis of 2-(1-Benzyl-6,7-dihydro-1H-indol-4(5H)-ylidene)acetonitrile" [P]. 中国发明专利, 专利号 CN 116328543 A, 授权公告日 2016-09-15.
发明人周伟,林芳,钱学锋. "A Process for Preparing High-Purity 2-(1-Benzyl-6,7-dihydro-1H-indol-4(5H)-ylidene)acetonitrile" [P]. 中国发明专利, 专利号 CN 109354426 A, 授权公告日 2015-03-19.
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