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发明人杨光,郭海燕,徐明华. "A Process for Preparing High-Purity 1-(3,4-Dihydro-2H-pyrrol-5-yl)-3-(2-methoxyphenyl)-1-phenylurea" [P]. 中国发明专利, 专利号 CN 113205397 A, 授权公告日 2020-10-05.
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