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