4-(9-Anthr-yl)-1-(1-naphth-yl)spiro-[azetidine-3,9'-xanthen]-2-one n-hexane hemisolvate.

4-(9-Anthr-yl)-1-(1-naphth-yl)spiro-[azetidine-3,9'-xanthen]-2-one n-hexane hemisolvate.