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