InChI=1S/C20H32O7/c1-2-3-4-6-13(25-23)9-10-14-15(18-12-17(14)26-27-18)11-19-16(24-19)7-5-8-20(21)22/h9-10,13-19,23H,2-8,11-12H2,1H3,(H,21,22)/b10-9+/t13-,14+,15+,16?,17+,18-,19?/m0/s1