4-(Difluoromethyl)-2-methylpyridine-3-carboxaldehyde
3,4,6-Tricyano-2-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-5-methylpyridine-2-carboxaldehyde
2,3,6-Tricyano-4-(trifluoromethoxy)pyridine
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