发明人刘建华,陈志强,马晓峰. "Method for the Synthesis of [1,1'-Biisoindolinylidene]-3,3'-dithione" [P]. 中国发明专利, 专利号 CN 111654222 B, 授权公告日 2021-11-28.
Chen K W, Hughes D C, Stevens L M. "A Process for Preparing High-Purity [1,1'-Biisoindolinylidene]-3,3'-dithione" [P]. US Patent, US 9885377 B2, 2018-07-11.
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