Showing structure for (5r,8s)-8-[(1s,3r,6s,8r,11s,12s,15r,16r)-6-hydroxy-7,7,12,16-tetramethylpentacyclo[9.7.0.0¹,³.0³,⁸.0¹²,¹⁶]octadecan-15-yl]-3-methyl-1,6-dioxaspiro[4.4]non-3-en-2-one