InChI=1S/C26H38O13/c1-8-4-11(28)20(33)24(3)10(8)5-13-25-7-36-26(35,23(24)25)19(32)9(2)14(25)18(21(34)38-13)39-22-17(31)16(30)15(29)12(6-27)37-22/h4,9-20,22-23,27-33,35H,5-7H2,1-3H3