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