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