5-(Fluoromethyl)-2-hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine
4-(Fluoromethyl)-5-hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine
4-(Fluoromethyl)-2-hydroxy-5-methoxy-3-(trifluoromethoxy)pyridine
5-(Fluoromethyl)-4-hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine