6-(Aminomethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-sulfonamide
2-(Aminomethyl)-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-sulfonamide
2-Cyano-6-(difluoromethyl)pyridine
2-Cyano-3-(difluoromethyl)pyridine
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