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