InChI=1S/C27H28O11/c1-27(13-28)12-11-17-19(38-27)10-6-15(23(17)35-2)5-9-18(29)14-3-7-16(8-4-14)36-26-22(32)20(30)21(31)24(37-26)25(33)34/h3-12,20-22,24,26,28,30-32H,13H2,1-2H3,(H,33,34)