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