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发明人刘建华,何建平,胡光. "A Process for Preparing High-Purity 1-BEnzyl-3,4-dimethyl-pyrrolidine-3,4-dicarboxylic acid" [P]. 中国发明专利, 专利号 CN 113875025 B, 授权公告日 2018-03-14.
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