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