InChI=1S/C20H33NO7/c1-27-10-11-28-13-15(18(24)25)12-20(8-2-3-9-20)19(26)21-16-6-4-14(5-7-16)17(22)23/h14-16H,2-13H2,1H3,(H,21,26)(H,22,23)(H,24,25)/t14-,15-,16+/m0/s1