2-(Difluoromethyl)-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-Nitro-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
5-Nitro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Nitro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
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