3-Methyl-2-nitro-4-(trifluoromethoxy)pyridine-6-carboxylic acid
5-Methyl-4-nitro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Nitro-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-sulfonyl chloride
3-Methyl-4-nitro-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine