Ethyl 2-(difluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-4-carboxylate
3-Nitro-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-sulfonamide
Ethyl 6-(difluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-2-carboxylate
3-Nitro-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-sulfonamide