3-Chloro-5-cyano-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine
3-Chloro-6-cyano-2-methoxy-5-(trifluoromethoxy)pyridine
3-Chloro-4-cyano-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine
4-Chloro-3-cyano-6-methoxy-2-(trifluoromethoxy)pyridine
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