3-(Fluoromethyl)-2-iodo-5-methoxy-4-(trifluoromethoxy)pyridine
2-(Fluoromethyl)-5-iodo-6-methoxy-3-(trifluoromethoxy)pyridine
6-(Fluoromethyl)-4-iodo-2-methoxy-3-(trifluoromethoxy)pyridine
2-(Fluoromethyl)-3-iodo-6-methoxy-5-(trifluoromethoxy)pyridine