2-Cyano-6-(trifluoromethyl)isonicotinic acid
2,5-Bis(trifluoromethyl)-4-(trifluoromethylthio)pyridine
3,6-Bis(trifluoromethyl)-2-(trifluoromethoxy)pyridine
2,6-Bis(trifluoromethyl)-3-(trifluoromethoxy)pyridine
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