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