7-nitro-4H-1,3-benzodioxine

1-methyl-4,5-diphenylimidazole

4,5,6,7-tetrachloro-2-(hydroxymethyl)isoindole-1,3-dione

1-(bromomethyl)pyrrolidine-2,5-dione

2-methyl-2-(3-oxobutyl)cyclohexane-1,3-dione