6-(Difluoromethyl)-4-nitro-2-(trifluoromethyl)pyridine-3-acetonitrile
Methyl 6-(difluoromethyl)-4-methyl-2-(trifluoromethyl)pyridine-3-acetate
6-(Difluoromethyl)-4-nitro-3-(trifluoromethyl)pyridine-2-acetonitrile
Methyl 6-(difluoromethyl)-4-methyl-3-(trifluoromethyl)pyridine-2-acetate