Ethyl 2-methyl-5-nitro-3-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 6-methyl-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxylate
3-(Chloromethyl)-4-methoxy-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
Ethyl 2-methyl-4-nitro-3-(trifluoromethoxy)pyridine-5-carboxylate