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