3-Iodo-6-nitro-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
6-(Difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-4-acetonitrile
Methyl 2-iodo-5-methyl-6-(trifluoromethoxy)pyridine-3-carboxylate
2-(Difluoromethyl)-6-hydroxy-4-(trifluoromethoxy)pyridine-3-acetonitrile