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