4-Methyl-3-nitro-2-(trifluoromethoxy)pyridine-5-carbonyl chloride
4-(Fluoromethyl)-3-methoxy-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
4-Methyl-6-nitro-3-(trifluoromethoxy)pyridine-2-carbonyl chloride
4-Methyl-2-nitro-3-(trifluoromethoxy)pyridine-5-carbonyl chloride