4-(Difluoromethyl)-2-nitro-6-(trifluoromethyl)pyridine
6-(Difluoromethyl)-2-nitro-3-(trifluoromethyl)pyridine
5-Cyano-2,3-dibromo-4-(difluoromethyl)pyridine
6-(Difluoromethyl)-3-nitro-2-(trifluoromethyl)pyridine
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