Showing structure for (1's,2s,2'r,4's,6s,7's,8'r,9's,12's,13'r,16's)-6-(hydroxymethyl)-7',9',13'-trimethyl-5'-oxaspiro[oxane-2,6'-pentacyclo[10.8.0.0²,⁹.0⁴,⁸.0¹³,¹⁸]icosan]-18'-ene-6,16'-diol