InChI=1S/C37H32O17/c1-12-5-17(39)27-28(42)23-16(8-14(48-2)10-20(23)49-3)24(34(27)51-12)26-18(40)6-13-7-21-25(19(41)9-15(11-38)52-21)33(22(13)32(26)50-4)53-37-31(45)29(43)30(44)35(54-37)36(46)47/h5-10,29-31,35,37-38,40,42-45H,11H2,1-4H3,(H,46,47)