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