Ethyl 2-(chloromethyl)-6-hydroxy-4-(trifluoromethoxy)pyridine-3-acetate
2-Amino-5-methoxy-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Methoxy-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-Iodo-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride