4-(Difluoromethyl)-2-hydroxy-3-(trifluoromethyl)pyridine-5-acetic acid
5-(Bromomethyl)-2-(difluoromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine
Ethyl 2-amino-6-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-carboxylate
5-Amino-3-(difluoromethyl)-4-fluoropyridine-2-carboxylic acid