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