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