(1R,3S)-5-[(1Z)-2-[(1R,3aS,4E,7aR)-1-[(2R,3E,5S)-5-cyclopropyl-5-{[(1R,2E,4R)-1-cyclopropyl-4-[(1R,3aS,7aR)-4-[(1E)-2-[(1Z,3S,5R)-3,5-dihydroxy-2-methylidenecyclohexylidene]ethylidene]-7a-methyloctahydro-1H-indenyl]pent-2-enyl]oxy}pent-3-en-2-yl]-7a-methyloctahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol