2-Iodo-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-carboxaldehyde
3-(Difluoromethyl)-4-iodo-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-(Chloromethyl)-6-(difluoromethyl)-4-iodo-2-(trifluoromethoxy)pyridine
6-(Chloromethyl)-3-methoxy-2-methyl-4-(trifluoromethoxy)pyridine