4-Nitro-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
5-Methyl-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
5-Nitro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Methyl-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
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