2-Methoxy-6-nitro-5-(trifluoromethoxy)pyridine-3-sulfonamide
Methyl 6-methoxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetate
2-Methoxy-6-nitro-3-(trifluoromethoxy)pyridine-5-sulfonamide
Methyl 6-methoxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetate