3-(Chloromethyl)-5-cyano-2-(difluoromethyl)-6-(trifluoromethyl)pyridine
4-(Aminomethyl)-6-cyano-2-(difluoromethyl)-3-(trifluoromethyl)pyridine
3-(Aminomethyl)-5-(difluoromethyl)-2-fluoro-6-hydroxypyridine
5-(Aminomethyl)-3-cyano-2-(difluoromethyl)-4-(trifluoromethyl)pyridine