6-(Difluoromethyl)-2-methoxy-3-nitropyridine-4-carbonyl chloride
3-(Difluoromethyl)-5-methoxy-4-nitropyridine-2-carbonyl chloride
6-(Difluoromethyl)-2-methoxy-4-nitropyridine-3-carbonyl chloride
3-(Difluoromethyl)-5-methoxy-2-nitropyridine-4-carbonyl chloride