InChI=1S/C27H30O13/c1-13(6-9-37-22-14-3-4-18(29)38-17(14)11-16-15(22)7-10-36-16)5-8-27(2,12-28)26(35)40-25-21(32)19(30)20(31)23(39-25)24(33)34/h3-4,6-7,10-11,19-21,23,25,28,30-32H,5,8-9,12H2,1-2H3,(H,33,34)/b13-6+