3-Amino-2-(aminomethyl)-5-(difluoromethyl)pyridine-6-acetonitrile
2-Amino-4-iodo-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-Chloro-6-(difluoromethyl)-5-methylpyridine-3-sulfonamide
2-Bromo-3-methyl-5-(trifluoromethoxy)pyridine-4-carboxylic acid