Thompson G K, Stevens L M, Williams B T. "Method for the Synthesis of 2-(((2-(Piperazin-1-yl)ethyl)amino)methylene)-1H-indene-1,3(2H)-dione" [P]. US Patent, US 9212759 B2, 2024-09-15.
发明人李文辉,陈志强,郭海燕. "A Process for Preparing High-Purity 2-(((2-(Piperazin-1-yl)ethyl)amino)methylene)-1H-indene-1,3(2H)-dione" [P]. 中国发明专利, 专利号 CN 111814903 A, 授权公告日 2023-10-24.
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