2-(Bromomethyl)-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
5-(Bromomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carbonyl chloride
3-(Bromomethyl)-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-sulfonyl chloride
3,4-Diamino-2-(difluoromethyl)pyridine