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