InChI=1S/C20H32O7/c1-2-3-6-10-14(25-23)19-20(24-19)18-13(15-12-16(18)27-26-15)9-7-4-5-8-11-17(21)22/h4,7,13-16,18-20,23H,2-3,5-6,8-12H2,1H3,(H,21,22)/b7-4-/t13-,14-,15-,16+,18+,19?,20?/m0/s1