Ethyl 3-bromo-2-(difluoromethyl)-6-nitropyridine-5-carboxylate
Ethyl 3-bromo-2-(difluoromethyl)-5-nitropyridine-6-carboxylate
3-(Aminomethyl)-4-bromo-2-(difluoromethyl)-5-(trifluoromethyl)pyridine
3-(Aminomethyl)-2-bromo-6-(difluoromethyl)-4-(trifluoromethyl)pyridine