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