Methyl 6-(difluoromethyl)-4-fluoro-3-(trifluoromethyl)pyridine-2-acetate
3-(Difluoromethyl)-5-fluoro-2-(trifluoromethyl)pyridine-4-acetic acid
4-(Aminomethyl)-3-(difluoromethyl)-5-methoxy-2-nitropyridine
3-(Aminomethyl)-5-(difluoromethyl)-4-methoxy-2-nitropyridine