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发明人罗永刚,冯建国,张德明. "A Process for Preparing High-Purity 2-[2-[1-[1-[(1,1-Dimethylethoxy)carbonyl]-4-piperidinyl]-3-azetidinyl]ethynyl]-5-pyrimidinecarboxylic acid" [P]. 中国发明专利, 专利号 CN 115013736 B, 授权公告日 2023-05-09.
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