2-(Difluoromethyl)-6-nitro-4-(trifluoromethyl)pyridine-3-acetonitrile
3-(Difluoromethyl)-2-nitro-4-(trifluoromethyl)pyridine-5-methanol
2-(Difluoromethyl)-6-nitro-3-(trifluoromethyl)pyridine-4-acetonitrile
Ethyl 4-(difluoromethyl)-3-methyl-5-(trifluoromethyl)pyridine-2-carboxylate