Formula: C38H42N4O | Mol. Weight: 570.80 g/mol
IUPAC: (11'R,12S,13S,13'S,14E,14'R,18'E)-14'-ethyl-14-ethylidene-16'-methylspiro[1,10-diazatetracyclo[11.2.2.03,11.04,9]heptadeca-3(11),4,6,8-tetraene-12,9'-8,16-diazapentacyclo[9.9.1.02,7.08,21.013,18]henicosa-1(21),2,4,6,18-pentaene]-17'-one
CCC1CN(C(=O)C2=CCC3=C4C(CC12)CC5(N4C6=CC=CC=C36)C7CCN(CC7=CC)CC8=C5NC9=CC=CC=C89)C