[C:1]1([N:7]=[C:8]=[O:9])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[NH2:10][C:11]1[CH:16]=[CH:15][C:14]([OH:17])=[CH:13][CH:12]=1>O1CCOCC1>[C:1]1([NH:7][C:8](=[O:9])[NH:10][C:11]2[CH:16]=[CH:15][C:14]([OH:17])=[CH:13][CH:12]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1Phenyl isocyanate and 4-aminophenol were added to dioxane solvent, and stirred for 2 hours to obtain 4-(N'-phenylureido)phenol (hereinafter, referred to simply as "Compound 8").
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