Methyl 2-amino-6-(aminomethyl)-3-(difluoromethyl)pyridine-4-carboxylate
3-(Difluoromethyl)-2-fluoro-6-(trifluoromethyl)pyridine-5-methanol
6-Bromo-3-(chloromethyl)-2-(difluoromethyl)-4-(trifluoromethyl)pyridine
3-Hydroxy-2-methoxy-6-(trifluoromethoxy)pyridine-4-acetic acid