InChI=1S/C38H34O17/c1-12-7-17(39)25-27(41)21-15(9-14(48-3)10-19(21)49-4)22(33(25)52-12)23-16-11-20(50-5)32(54-38-31(45)29(43)30(44)36(55-38)37(46)47)35(51-6)24(16)28(42)26-18(40)8-13(2)53-34(23)26/h7-11,29-31,36,38,41-45H,1-6H3,(H,46,47)