InChI=1S/C23H38O5/c1-2-3-4-5-6-7-8-9-10-11-12-13-15-21-22(28-21)16-14-17-23(26)27-20(18-24)19-25/h6-7,9-10,12-13,20-22,24-25H,2-5,8,11,14-19H2,1H3/b7-6-,10-9-,13-12-