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