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