InChI=1S/C27H28O13/c1-9(2)5-6-12-11(4)21-15(8-13(12)28)37-22-16(26(36)39-21)10(3)7-14(17(22)24(32)33)38-27-20(31)18(29)19(30)23(40-27)25(34)35/h5,7-8,18-20,23,27-31H,6H2,1-4H3,(H,32,33)(H,34,35)