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