3-(Fluoromethyl)-5-methyl-2-nitro-6-(trifluoromethoxy)pyridine
3-(Fluoromethyl)-4-methyl-6-nitro-2-(trifluoromethoxy)pyridine
3-(Fluoromethyl)-2-methyl-6-nitro-4-(trifluoromethoxy)pyridine
3-(Fluoromethyl)-2-methyl-4-nitro-6-(trifluoromethoxy)pyridine