5-(Difluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
6-(Bromomethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetic acid
2-(Bromomethyl)-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-acetic acid
3-(Difluoromethyl)-2-nitro-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride