3-(Difluoromethyl)-4-methyl-2-nitro-5-(trifluoromethyl)pyridine
6-(Difluoromethyl)-2-methyl-4-nitro-3-(trifluoromethyl)pyridine
4-(Difluoromethyl)-3-methyl-2-nitropyridine-5-acetonitrile
4-(Difluoromethyl)-6-methyl-3-nitropyridine-2-acetonitrile
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