发明人何建平,郭海燕,陈志强. "Method for the Synthesis of 5-chloro-1H-indole-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 109639289 A, 授权公告日 2019-08-24.
发明人钱学锋,陈志强,刘建华. "A Process for Preparing High-Purity 5-chloro-1H-indole-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 115031432 B, 授权公告日 2016-11-24.
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