2-Cyano-4-(trifluoromethoxy)pyridine-5-carboxaldehyde
3-Cyano-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine
2-Cyano-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
5-Cyano-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine
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