InChI=1S/C27H35NO10/c1-16(2)14-28-21(29)8-6-4-3-5-7-18(11-9-17-10-12-19-20(13-17)36-15-35-19)37-27-24(32)22(30)23(31)25(38-27)26(33)34/h3-4,6,8-13,16,18,22-25,27,30-32H,5,7,14-15H2,1-2H3,(H,28,29)(H,33,34)/b4-3+,8-6+,11-9+