2-Amino-3-cyano-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
4-Bromo-5-hydroxy-3-methoxy-2-(trifluoromethoxy)pyridine
3-(Chloromethyl)-4-(difluoromethyl)-5-methyl-2-(trifluoromethyl)pyridine
2-Cyano-3-(difluoromethyl)-4-hydroxypyridine-5-sulfonyl chloride