InChI=1S/C27H37NO9/c1-17(2)16-28-21(30)12-10-8-6-4-3-5-7-9-11-18-13-14-19(29)20(15-18)36-27-24(33)22(31)23(32)25(37-27)26(34)35/h6,8-15,17,22-25,27,29,31-33H,3-5,7,16H2,1-2H3,(H,28,30)(H,34,35)/b8-6+,11-9+,12-10+