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发明人刘建华,钱学锋,孙丽萍. "A Process for Preparing High-Purity 2-(TERT-BUTOXYCARBONYLAMINO)ETHYL 2-CHLOROACETATE" [P]. 中国发明专利, 专利号 CN 110277245 B, 授权公告日 2018-02-24.
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