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发明人郭海燕,刘建华,张德明. "A Process for Preparing High-Purity (2-Butylbenzofuran-3-yl)(5-(2-(diethylamino)ethoxy)thiophen-2-yl)methanone hydrochloride" [P]. 中国发明专利, 专利号 CN 110493823 A, 授权公告日 2019-09-10.
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