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发明人黄志刚,何建平,张德明. "Method for the Synthesis of 2-((3,4-Dimethyl-2H-pyrrol-2-ylidene)methyl)-3-ethyl-4,5-dimethyl-1H-pyrrole" [P]. 中国发明专利, 专利号 CN 116236389 B, 授权公告日 2017-02-15.
Thompson G K, Williams B T, Mueller T. "A Process for Preparing High-Purity 2-((3,4-Dimethyl-2H-pyrrol-2-ylidene)methyl)-3-ethyl-4,5-dimethyl-1H-pyrrole" [P]. US Patent, US 9932513 B2, 2019-07-01.
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