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发明人林芳,胡光,王建平. "A Process for Preparing High-Purity 2-(3-(2-Ethoxyphenyl)ureido)-N-ethylthiazole-4-carboxamide" [P]. 中国发明专利, 专利号 CN 109220709 A, 授权公告日 2020-06-13.
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