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