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发明人王建平,郭海燕,冯建国. "A Process for Preparing High-Purity Ethyl 2-(3,4-dimethoxyphenyl)-4-hydroxythiazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 117950128 B, 授权公告日 2018-09-06.
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