发明人杨光,罗永刚,刘建华. "Method for the Synthesis of Diethyl 2-(((2-cyanophenyl)amino)methylene)malonate" [P]. 中国发明专利, 专利号 CN 115560853 A, 授权公告日 2018-12-24.
Klinger H, Thompson G K, Kumar R. "A Process for Preparing High-Purity Diethyl 2-(((2-cyanophenyl)amino)methylene)malonate" [P]. US Patent, US 10273234 B2, 2017-10-20.
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