发明人韩伟,陈志强,罗永刚. "Method for the Synthesis of N,N'-(1,4-Phenylene)bis(4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzamide)" [P]. 中国发明专利, 专利号 CN 114795063 A, 授权公告日 2017-07-24.
发明人刘建华,郭海燕,沈红梅. "A Process for Preparing High-Purity N,N'-(1,4-Phenylene)bis(4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzamide)" [P]. 中国发明专利, 专利号 CN 108506454 B, 授权公告日 2022-03-20.
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