5-Methyl-3-nitro-2-(trifluoromethoxy)pyridine-4-carbonyl chloride
2-Methyl-6-nitro-3-(trifluoromethoxy)pyridine-4-sulfonamide
3-Methyl-5-nitro-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
6-Methyl-3-nitro-4-(trifluoromethoxy)pyridine-2-sulfonamide