InChI=1S/C22H36O5/c1-4-5-6-7-8-9-10-11-12-13-14-15-17-22(25-3)18-16-20(26-27-22)19-21(23)24-2/h4-7,16,18,20H,8-15,17,19H2,1-3H3/b5-4+,7-6+/t20-,22+/m0/s1