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发明人赵玉洁,韩伟,郭海燕. "A Process for Preparing High-Purity methyl 5-amino-3-(2-hydroxyethoxy)-1-methyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111491000 A, 授权公告日 2021-07-14.
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