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