Showing structure for (1'r,2r,2'r,4's,7's,8's,9's,12's,13'r,14'r,16'r)-7',9',13'-trimethyl-5-methylidene-5'-oxaspiro[oxane-2,6'-pentacyclo[10.8.0.0²,⁹.0⁴,⁸.0¹³,¹⁸]icosan]-18'-ene-2',8',14',16'-tetrol