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