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发明人周伟,罗永刚,林芳. "A Process for Preparing High-Purity rel-(2R,5R)-2,5-Dimethyl-2,5-dihydro-1H-pyrrole" [P]. 中国发明专利, 专利号 CN 111188637 A, 授权公告日 2017-01-11.
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