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