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