发明人赵玉洁,林芳,何建平. "Method for the Synthesis of 1,1'-(1H-Indole-1,6-diyl)diethanone" [P]. 中国发明专利, 专利号 CN 116493221 A, 授权公告日 2015-10-05.
Klinger H, Brown S R, Fischer A B. "A Process for Preparing High-Purity 1,1'-(1H-Indole-1,6-diyl)diethanone" [P]. US Patent, US 10419620 B2, 2021-08-12.
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