InChI=1S/C27H32O12/c1-5-6-14(29)17-22-13(7-8-27(3,4)39-22)21-16(12(9-11(2)28)10-15(30)36-21)23(17)37-26-20(33)18(31)19(32)24(38-26)25(34)35/h7-8,10-11,18-20,24,26,28,31-33H,5-6,9H2,1-4H3,(H,34,35)