InChI=1S/C27H32O12/c1-13(6-8-36-23-14-4-5-19(29)37-17(14)10-16-15(23)7-9-35-16)18(11-27(2,3)12-28)38-26-22(32)20(30)21(31)24(39-26)25(33)34/h4-7,9-10,18,20-22,24,26,28,30-32H,8,11-12H2,1-3H3,(H,33,34)/b13-6+