5-(Difluoromethyl)-3-fluoro-4-nitropyridine-2-sulfonamide
4-(Chloromethyl)-5-(difluoromethyl)-2-fluoropyridine-3-methanol
3-(Aminomethyl)-4-(difluoromethyl)-5-fluoro-2-(trifluoromethyl)pyridine
3-(Aminomethyl)-2-(difluoromethyl)-5-fluoro-4-(trifluoromethyl)pyridine