3-(2,4-Dichlorophenyl)-2-mercapto-5-(trifluoromethyl)pyridine
2-Amino-3-(aminomethyl)-5-bromo-4-(difluoromethyl)pyridine
3-(Bromomethyl)-5-hydroxy-6-methyl-2-(trifluoromethoxy)pyridine
2-Cyano-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetonitrile