(6R,14R,16R,20R,22R)-14-cyano-6',8-dihydroxy-7',9-dimethoxy-4,10,23-trimethyl-22-oxido-19-oxo-3',4',6,7,12,13,14,16-octahydro-2'H,6aH-spiro[7,13-epimino-6,16-(epithiopropanooxymethano)[1,3]dioxolo[7,8 7H-phenaleno[1,2-d][1,3]dioxol-7-ol, 7a,10a-dihydro-1-(4-methoxyphenyl)-9,9-dimethyl-, (7R,7aS,10aR)- Ecteinascidin 786 InChI=1/C40H42N4O11S/c1-17-9-21-10-23-24(13-41)44-25-14-52-39(48)40(22-12-27(50-5)26(46)11-20(22)7-8-42-40)15-56(49)38(32(44)31(43(23)4)28(21)33(47)34(17)51-6)30-29(25)37-36(53-16-54-37)18(2)35(30)55-19(3)45/h9,11-12,23-25,31-32,38,42,46-47H,7-8,10,14-1