InChI=1S/C27H30O11/c1-12(2)7-8-15-18(37-27-23(32)21(30)22(31)25(38-27)26(33)34)11-19(35-3)20-16(29)10-17(36-24(15)20)13-5-4-6-14(28)9-13/h4-7,9,11,17,21-23,25,27-28,30-32H,8,10H2,1-3H3,(H,33,34)