Ethyl 2-(aminomethyl)-3-cyano-6-(difluoromethyl)pyridine-5-acetate
4-(Bromomethyl)-2-chloro-3-hydroxy-5-(trifluoromethoxy)pyridine
6-Amino-3-cyano-4-(difluoromethyl)pyridine-2-sulfonamide
2-Bromo-3-(chloromethyl)-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine