4-(Difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine-2-acetonitrile
Methyl 2-(bromomethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetate
3-(Difluoromethyl)-6-nitro-2-(trifluoromethoxy)pyridine-5-acetonitrile
4-(Difluoromethyl)-6-nitro-2-(trifluoromethoxy)pyridine-3-acetonitrile