Methyl 5-(difluoromethyl)-4-methoxy-3-(trifluoromethyl)pyridine-2-acetate
2-(Difluoromethyl)-3-methoxy-4-nitro-5-(trifluoromethyl)pyridine
4-(Aminomethyl)-5-(difluoromethyl)-2-methyl-3-nitropyridine
3-(Aminomethyl)-2-(difluoromethyl)-6-methyl-5-nitropyridine