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