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