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