Showing structure for (1''s,2s,3''r,4r,4's,5's,6''s,8''r,11''s,12''r,16''s)-6''-methoxy-4,4',7'',7'',12'',16''-hexamethyldispiro[bis(oxolane)-2,2':5',15''-pentacyclo[9.7.0.0¹,³.0³,⁸.0¹²,¹⁶]octadecan]-5-one