4-(Bromomethyl)-6-methyl-2-nitro-3-(trifluoromethoxy)pyridine
2-Methyl-6-nitro-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-(Bromomethyl)-2-methyl-5-nitro-3-(trifluoromethoxy)pyridine
5-(Bromomethyl)-3-methyl-2-nitro-4-(trifluoromethoxy)pyridine