5-Hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-carboxaldehyde
3-Iodo-5-nitro-2-(trifluoromethoxy)pyridine-4-sulfonamide
5-Iodo-4-methyl-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-Iodo-4-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide