InChI=1S/C26H42O12/c1-2-3-6-9-15(36-26-23(33)21(31)22(32)24(38-26)25(34)35)12-13-18-16(17(27)14-20(30)37-18)10-7-4-5-8-11-19(28)29/h4,7,12-13,15-18,20-24,26-27,30-33H,2-3,5-6,8-11,14H2,1H3,(H,28,29)(H,34,35)/b7-4-,13-12+