InChI=1S/C27H32O11/c1-12(2)4-7-16-20(29)19(37-27-23(32)21(30)22(31)25(38-27)26(33)34)10-13-5-9-18(36-24(13)16)15-8-6-14(35-3)11-17(15)28/h4,6,8,10-11,18,21-23,25,27-32H,5,7,9H2,1-3H3,(H,33,34)