InChI=1S/C37H32O17/c1-11-6-16(38)24-27(41)20-14(8-13(48-3)9-18(20)49-4)21(32(24)51-11)22-15-10-19(50-5)26(40)34(23(15)28(42)25-17(39)7-12(2)52-33(22)25)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)