3-(Difluoromethyl)-6-methoxy-2-(trifluoromethyl)pyridine-5-carboxaldehyde
4-(Bromomethyl)-3-(difluoromethyl)-5-methoxy-2-nitropyridine
5-(Difluoromethyl)-2-methoxy-4-(trifluoromethyl)pyridine-3-carboxaldehyde
4-(Bromomethyl)-3-(difluoromethyl)-2-methoxy-5-nitropyridine