InChI=1S/C37H32O17/c1-11-6-15(38)23-18(51-11)9-13-8-17(48-3)25(32(50-5)20(13)27(23)41)21-14-10-19(49-4)26(40)28(42)22(14)34(24-16(39)7-12(2)52-33(21)24)53-37-31(45)29(43)30(44)35(54-37)36(46)47/h6-10,29-31,35,37,40-45H,1-5H3,(H,46,47)