2-(Difluoromethyl)-3-methoxy-6-nitro-4-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-methoxy-6-nitro-4-(trifluoromethoxy)pyridine
Methyl 2-(chloromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-6-carboxylate
3-(Fluoromethyl)-6-methoxy-2-nitro-5-(trifluoromethoxy)pyridine