3-Cyano-2-fluoro-4-methoxy-5-(trifluoromethoxy)pyridine
6-Cyano-2-fluoro-4-methoxy-3-(trifluoromethoxy)pyridine
6-Chloro-2-(difluoromethyl)-4-methyl-3-(trifluoromethoxy)pyridine
2-Chloro-6-(difluoromethyl)-3-methyl-4-(trifluoromethoxy)pyridine
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