6-Iodo-2-methyl-4-(trifluoromethoxy)pyridine-3-sulfonamide
4-(Fluoromethyl)-3-iodo-2-nitro-6-(trifluoromethoxy)pyridine
2-(Bromomethyl)-6-(difluoromethyl)-3-iodo-4-(trifluoromethoxy)pyridine
6-(Bromomethyl)-3-(difluoromethyl)-4-iodo-2-(trifluoromethoxy)pyridine