4-(Aminomethyl)-3-(difluoromethyl)-5-methoxy-2-nitropyridine
3-(Aminomethyl)-5-(difluoromethyl)-4-methoxy-2-nitropyridine
Methyl 2-(difluoromethyl)-3-iodo-5-(trifluoromethyl)pyridine-6-acetate
2-(Chloromethyl)-5-(difluoromethyl)-3-methoxy-6-nitropyridine