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