InChI=1S/C31H34O11/c1-14(2)5-7-18-28-17(9-10-31(3,4)42-28)23(34)22-24(35)19(13-39-29(18)22)16-8-6-15(11-20(16)33)40-30-27(38)26(37)25(36)21(12-32)41-30/h5-6,8-11,13,21,25-27,30,32-34,36-38H,7,12H2,1-4H3/t21-,25-,26+,27-,30?/m0/s1