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发明人徐明华,胡光,张德明. "A Process for Preparing High-Purity 6-Amino-4-(pyridin-3-yl)-3-(trifluoromethyl)-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 111370284 B, 授权公告日 2023-11-06.
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