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