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发明人张德明,唐晓军,周伟. "A Process for Preparing High-Purity Ethyl (4-(9H-pyrido[3,4-b]indol-1-yl)phenyl)carbamate" [P]. 中国发明专利, 专利号 CN 108859314 B, 授权公告日 2023-01-13.
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