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