2-Cyano-3-methyl-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride
4-Methoxy-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-Amino-4-(bromomethyl)-5-(difluoromethyl)pyridine-3-methanol
2-(Chloromethyl)-6-(difluoromethyl)-3-methyl-4-(trifluoromethoxy)pyridine