Showing structure for (1''r,2s,4''r,5s,5'r,6''r,8''s,12''r)-5-hydroxy-1'',6'',8''-trimethyldispiro[bis(oxolane)-2,2':5',7''-[3]oxatricyclo[6.3.1.0⁴,¹²]dodecane]-2'',11''-dione