5-Amino-2-(chloromethyl)-4-cyano-3-(trifluoromethoxy)pyridine
2-(Chloromethyl)-3-fluoro-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
2-(Difluoromethyl)-4-hydroxy-3-methoxy-6-methylpyridine
2-Cyano-5-(difluoromethyl)-6-fluoropyridine-3-carboxylic acid