InChI=1S/C26H37NO9/c28-18-13-12-17(10-6-4-2-1-3-5-7-11-20(29)27-14-8-9-15-27)16-19(18)35-26-23(32)21(30)22(31)24(36-26)25(33)34/h6,10,12-13,16,21-24,26,28,30-32H,1-5,7-9,11,14-15H2,(H,33,34)/b10-6+