3-(Chloromethyl)-5-(difluoromethyl)-2-iodo-4-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-6-methoxy-5-methyl-3-(trifluoromethoxy)pyridine
4-Methoxy-6-methyl-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Methoxy-2-methyl-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride