6-Methyl-3-nitro-4-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 4-(bromomethyl)-2-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylate
2-Methyl-5-nitro-3-(trifluoromethoxy)pyridine-4-carboxylic acid
Ethyl 3-(bromomethyl)-5-methoxy-6-(trifluoromethoxy)pyridine-2-carboxylate