4-(Difluoromethyl)pyridine-2-acetic acid
2-(Chloromethyl)-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-sulfonyl chloride
4-(Difluoromethyl)-3-methylpyridine-2-carboxaldehyde
2-(Chloromethyl)-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-sulfonyl chloride