5-(Difluoromethyl)-2-methoxy-4-nitropyridine
2-(Chloromethyl)-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-(Difluoromethyl)-3-methoxy-5-nitropyridine
2-(Chloromethyl)-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetonitrile