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