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发明人张德明,钱学锋,赵玉洁. "A Process for Preparing High-Purity (R)-2-Amino-N-methyl-N-(1-methylpyrrolidin-3-yl)acetamide" [P]. 中国发明专利, 专利号 CN 108968267 B, 授权公告日 2019-03-11.
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