InChI=1S/C33H22O22/c34-3-8-18(39)26-25-15-10-4(28(46)47)1-7(36)17(38)24(10)55-33(15)27(45)22(43)14(32(33,51)31(50)54-25)13-12(30(49)53-26)11(20(41)23(44)21(13)42)9-5(29(48)52-8)2-6(35)16(37)19(9)40/h1-2,8,14-15,18,25-26,34-42,44,51H,3H2,(H,46,47)