Showing structure for (6s)-6-[(1s,3r,6s,8s,11r,12s,15r,16r)-6-hydroxy-7,7,12,16-tetramethylpentacyclo[9.7.0.0¹,³.0³,⁸.0¹²,¹⁶]octadecan-15-yl]-2-methylhept-1-en-3-one