Methyl 2-methyl-3-nitro-4-(trifluoromethoxy)pyridine-5-acetate
3-(Difluoromethyl)-2-nitro-5-(trifluoromethoxy)pyridine-6-methanol
4-(Bromomethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-methanol
3-Methyl-6-nitro-4-(trifluoromethoxy)pyridine-2-acetic acid