3-(2,5-Dichlorophenyl)-2-mercapto-6-(trifluoromethyl)pyridine
5-(Bromomethyl)-2-chloro-3-(difluoromethyl)pyridine-6-carboxylic acid
6-Bromo-4-iodo-3-(trifluoromethoxy)pyridine-2-carboxamide
3-(Aminomethyl)-2-chloro-4-(difluoromethyl)pyridine-6-acetic acid