2-Phenyl-6-(trifluoromethyl)isonicotinic acid
3,5-Bis(trifluoromethyl)-4-(difluoromethyl)pyridine
2-Phenyl-5-(trifluoromethyl)nicotinic acid
3,4-Bis(trifluoromethyl)-5-(difluoromethyl)pyridine
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