2-cyano-2-xanthen-9-yl-acetamide

dimethyl rac-3-oxo-2-(9H-xanthen-9-yl)pentanedioate

rac-9-(1'-ethoxycarbonyl-2'-oxoprop-1'-yl)xanthene

3-(9H-xanthen-9-yl)pentane-2,4-dione

3-(9-xanthenylidene)-2,4-pentanedione