InChI=1S/C23H38O6/c1-2-3-4-5-6-9-13-20(26)14-10-7-8-11-15-21(27)16-12-17-23(28)29-22(18-24)19-25/h6-11,14-15,20-22,24-27H,2-5,12-13,16-19H2,1H3/b8-7+,9-6-,14-10+,15-11-/t20-,21-/m0/s1