Ethyl 5-(bromomethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-4-carboxylate
3-(Difluoromethyl)-2-methyl-4-nitro-6-(trifluoromethoxy)pyridine
4-(Bromomethyl)-5-(difluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-6-methyl-5-nitro-3-(trifluoromethoxy)pyridine