InChI=1S/C32H26O12/c1-10-5-11-12(6-14(10)33)27(37)21-15(34)8-17(43-3)23(25(21)28(11)38)24-18(44-4)9-16(35)22-26(24)30(40)20-13(29(22)39)7-19(36)32(2,42)31(20)41/h5-6,8-9,19,31,33-36,41-42H,7H2,1-4H3/t19-,31-,32-/m1/s1