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发明人钱学锋,高志强,赵玉洁. "A Process for Preparing High-Purity Benzylmethyl(1-(1-methylpiperidin-4-yl)-3-(pyrrolidin-1-yl)propan-2-yl)carbamate" [P]. 中国发明专利, 专利号 CN 115752564 B, 授权公告日 2016-04-01.
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