4-(Difluoromethyl)-3-iodo-2-nitro-5-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-5-iodo-2-nitro-4-(trifluoromethoxy)pyridine
6-(Difluoromethyl)-4-iodo-3-nitro-2-(trifluoromethoxy)pyridine
Methyl 4-(difluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate