InChI=1S/C26H37NO9/c1-16(2)15-27-20(29)11-9-7-5-3-4-6-8-10-17-12-13-18(28)19(14-17)35-26-23(32)21(30)22(31)24(36-26)25(33)34/h5,7-8,10,12-14,16,21-24,26,28,30-32H,3-4,6,9,11,15H2,1-2H3,(H,27,29)(H,33,34)/b7-5+,10-8+