4,4-dimethyl-1-(4-nitrophenyl)pent-1-en-3-one

3,3-dimethyl-1-(4-nitrophenyl)butan-2-one

5-hydroxy-2,2-dimethyl-5-(4-nitrophenyl)pentan-3-one

p-Nitro-benzoyl-[pivaloyl]-methan (Enolform), 1-(p-Nitrophenyl)-1-hydroxy-3-oxo-4,4-dimethyl-penten-(1)

3-[(4-nitrophenyl)methylideneamino]-2-phenylquinazolin-4-one