5-Iodo-2-methoxy-3-(trifluoromethoxy)pyridine-4-sulfonamide
2-(Chloromethyl)-4-iodo-3-(trifluoromethoxy)pyridine-6-acetic acid
4-Iodo-5-methoxy-3-(trifluoromethoxy)pyridine-2-sulfonamide
2-(Chloromethyl)-3-iodo-6-(trifluoromethoxy)pyridine-4-acetic acid