4-(Chloromethyl)-3-(difluoromethyl)-6-iodo-2-(trifluoromethoxy)pyridine
4-(Chloromethyl)-3-(difluoromethyl)-2-iodo-6-(trifluoromethoxy)pyridine
2-Methoxy-4-nitro-5-(trifluoromethoxy)pyridine-3-sulfonamide
2-Methoxy-3-nitro-6-(trifluoromethoxy)pyridine-5-sulfonamide