InChI=1S/C27H32O12/c1-36-23-15-11-16(19(30)24(23)37-2)17(29)5-3-4-13(28)8-6-12-7-9-18(14(15)10-12)38-27-22(33)20(31)21(32)25(39-27)26(34)35/h7,9-11,17,20-22,25,27,29-33H,3-6,8H2,1-2H3,(H,34,35)