3-Methoxy-2-methyl-5-(trifluoromethoxy)pyridine-4-sulfonamide
4-(Chloromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-5-acetic acid
5-(Fluoromethyl)-4-iodo-3-(trifluoromethoxy)pyridine-2-methanol
5-(Chloromethyl)-3-iodo-4-(trifluoromethoxy)pyridine-2-acetic acid