Ethyl 4-(difluoromethyl)-5-methoxy-2-(trifluoromethyl)pyridine-3-carboxylate
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