2-Amino-3-cyano-5-(difluoromethyl)-6-methylpyridine
2-(Chloromethyl)-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-sulfonyl chloride
5-Amino-2-(chloromethyl)-4-cyano-3-(trifluoromethoxy)pyridine
2-(Chloromethyl)-3-fluoro-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine