4-fluoro-N-[5-(trifluoromethyl)-1,3-oxazol-2-yl]-9H-xanthene-9-carboxamide 4-fluoro-N-[5-(trifluoromethyl)oxazol-2-yl]-9H-xanthene-9-carboxamide 4-fluoro-N-[5-(trifluoromethyl)-2-oxazolyl]-9H-xanthene-9-carboxamide