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