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