InChI=1S/C27H28O13/c1-27(2)5-4-11-14(40-27)8-13(29)17(23(11)36-3)12-9-37-15-6-10(28)7-16(18(15)19(12)30)38-26-22(33)20(31)21(32)24(39-26)25(34)35/h6-9,20-22,24,26,28-29,31-33H,4-5H2,1-3H3,(H,34,35)