InChI=1S/C27H37NO10/c1-16(2)14-28-21(29)13-18(37-27-24(32)22(30)23(31)25(38-27)26(33)34)9-7-5-3-4-6-8-17-10-11-19-20(12-17)36-15-35-19/h6-12,16,18,22-25,27,30-32H,3-5,13-15H2,1-2H3,(H,28,29)(H,33,34)/b8-6+,9-7+