Ethyl 3-(difluoromethyl)-5-methoxy-2-(trifluoromethyl)pyridine-4-acetate
3-(Chloromethyl)-6-(difluoromethyl)-4-methyl-2-nitropyridine
Ethyl 3-(difluoromethyl)-4-methoxy-6-(trifluoromethyl)pyridine-2-acetate
4-(Chloromethyl)-5-(difluoromethyl)-2-methyl-3-nitropyridine