6-Methoxy-4-methyl-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-(Chloromethyl)-4-iodo-5-(trifluoromethoxy)pyridine-3-acetic acid
2-Methoxy-4-methyl-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-(Chloromethyl)-3-iodo-6-(trifluoromethoxy)pyridine-5-acetic acid