4-(Aminomethyl)-5-(difluoromethyl)-3-fluoro-2-iodopyridine
Methyl 3-amino-5-bromo-2-(difluoromethyl)pyridine-6-carboxylate
6-Bromo-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-carboxylic acid
3-Cyano-5-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-acetic acid