InChI=1S/C36H32O19/c37-12-3-11(4-13(38)5-12)36-33(48)25(23-20(6-14(39)7-21(23)54-36)51-35-29(47)27(45)28(46)32(53-35)34(49)50)24-22(55-36)9-16(40)15-8-19(43)30(52-31(15)24)10-1-17(41)26(44)18(42)2-10/h1-7,9,19,25,27-30,32-33,35,37-48H,8H2,(H,49,50)