5-Methoxy-2-methyl-4-(trifluoromethoxy)pyridine-3-sulfonamide
5-Methoxy-3-methyl-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
6-(Bromomethyl)-2-methoxy-3-nitro-4-(trifluoromethoxy)pyridine
2-(Bromomethyl)-6-methoxy-4-nitro-3-(trifluoromethoxy)pyridine