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发明人朱建伟,钱学锋,孙丽萍. "A Process for Preparing High-Purity N'-(2-cyano-4-(3-(1-hydroxy-2-methylpropan-2-yl)thioureido)phenyl)-N,N-dimethylformimidamide" [P]. 中国发明专利, 专利号 CN 108648576 B, 授权公告日 2023-10-07.
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