(3aR,4R,5R,7S,8S,9R,9aS,12R)-8-hydroxy-4,7,9,12-tetramethyl-3-oxo-7-vinyldecahydro-4,9a-propanocyclopenta[8]annulen-5-yl 6-(3-(4-methylpiperazin-1-yl)propoxy)-1-oxo-3,4-dihydroisoquinoline-2(1H)-carboxylate