发明人郭海燕,周伟,徐明华. "Method for the Synthesis of 1-(2,5-Dihydro-1H-pyrrol-1-yl)-2-(3-azaspiro[5.5]undecan-9-yl)ethanone" [P]. 中国发明专利, 专利号 CN 109606263 B, 授权公告日 2021-01-13.
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