2-Bromo-4-cyano-3-(difluoromethyl)pyridine-6-sulfonamide
3-(Aminomethyl)-4-(difluoromethyl)-2-iodo-5-methoxypyridine
2-(Difluoromethyl)-3-(trifluoromethyl)pyridine-6-acetonitrile
Methyl 4-(aminomethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-5-acetate