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