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发明人郭海燕,张德明,钱学锋. "A Process for Preparing High-Purity N-(2-{[(5-bromothiophen-2-yl)methyl]amino}ethyl)acetamide hydrochloride" [P]. 中国发明专利, 专利号 CN 109216563 B, 授权公告日 2018-12-08.
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