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发明人胡光,林芳,赵玉洁. "Method for the Synthesis of (E)-1-Methyl-[3,3'-biindolinylidene]-2,2'-dione" [P]. 中国发明专利, 专利号 CN 109794853 A, 授权公告日 2022-06-20.
发明人黄志刚,郭海燕,郑宇鹏. "A Process for Preparing High-Purity (E)-1-Methyl-[3,3'-biindolinylidene]-2,2'-dione" [P]. 中国发明专利, 专利号 CN 108300570 B, 授权公告日 2025-03-28.
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