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发明人赵玉洁,王建平,郭海燕. "A Process for Preparing High-Purity 2-(6-(Methoxycarbonyl)-4-methylpyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110642236 A, 授权公告日 2022-12-25.
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