(1′R,6R,6aR,7R,13S,14S,16R)-5-(acetyloxy)-2′,3′,4′,6,6a,7,9′,13,14,16-decahydro-8,14-dihydroxy-6′,9-dimethoxy-4,10-dimethyl-Spiro[6,16-(epithiopropanoxymethano)-7,13-imino-12H-1,3-dioxolo[7,8]isoquino[3,2-b][3]benzazocine-20,1′-[1H]pyrido[3,4-b]indol]-19-one ,(1′R,6R,6aR,7R,13S,14S,16R)-5-(acetyloxy)-2′,3′,4′,6,6a,7,9′,13,14,16-decahydro-8,14-dihydroxy-6′,9-dimethoxy-4,10-dimethyl-Spiro[6,16-(epithiopropanoxymethano)-7,13-imino-12H-1,3-dioxolo[7,8]isoquino[3,2-b][3]benzazocine-20,1′-[1H]pyrido[3,4-b]indol]-19-one ,,Lurbinectedin Metabolite