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发明人马晓峰,唐晓军,罗永刚. "A Process for Preparing High-Purity 2-Ethyl-3-methyl-4,5-dihydrocyclopenta[b]pyrrol-6(1H)-one" [P]. 中国发明专利, 专利号 CN 117211309 B, 授权公告日 2015-09-08.
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