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