Ethyl 2-iodo-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxylate
3-(Difluoromethyl)-6-methoxy-2-nitro-5-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-methoxy-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
5-(Difluoromethyl)-2-methoxy-3-nitro-6-(trifluoromethoxy)pyridine