16-[(E)-Benzyl-idene]-13-hy-droxy-4-methyl-2-phenyl-4,14-diaza-penta-cyclo-[12.3.1.0.0.0]octa-deca-7(12),8,10-triene-6,17-dione.

16-[(E)-Benzyl-idene]-13-hy-droxy-4-methyl-2-phenyl-4,14-diaza-penta-cyclo-[12.3.1.0.0.0]octa-deca-7(12),8,10-triene-6,17-dione.