3-(Difluoromethyl)-2-(trifluoromethyl)pyridine-6-sulfonamide
3-(Difluoromethyl)-6-(trifluoromethyl)pyridine-2-sulfonyl chloride
5-(Difluoromethyl)-3-(trifluoromethyl)pyridine-2-sulfonyl chloride
6-(Aminomethyl)-2,4-dichloro-3-(difluoromethyl)pyridine