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