Ethyl 3-cyano-2-(difluoromethyl)-6-methylpyridine-5-acetate
2-Iodo-3-methoxy-4-(trifluoromethoxy)pyridine-5-sulfonamide
6-(Chloromethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-methanol
4-(Difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-5-acetic acid