2-Cyano-6-(difluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine
4-Chloro-6-(difluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine
5-Chloro-2-methoxy-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Chloro-2-(difluoromethyl)-3-methyl-5-(trifluoromethoxy)pyridine