InChI=1S/C26H38O12/c1-2-3-6-9-15(36-33)12-13-17-16(18-14-19(17)38-37-18)10-7-4-5-8-11-20(27)34-26-23(30)21(28)22(29)24(35-26)25(31)32/h2,4,7,12-13,15-19,21-24,26,28-30,33H,1,3,5-6,8-11,14H2,(H,31,32)/b7-4-,13-12+