发明人罗永刚,沈红梅,胡光. "Method for the Synthesis of 6-Methyl-2-((3-nitrobenzylidene)amino)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 109195633 B, 授权公告日 2021-01-11.
发明人陈志强,赵玉洁,张德明. "A Process for Preparing High-Purity 6-Methyl-2-((3-nitrobenzylidene)amino)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 116475136 A, 授权公告日 2017-03-20.
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