InChI=1S/C27H34O10/c1-14(11-21(29)36-27-24(32)22(30)23(31)25(37-27)26(33)34)7-6-8-18(13-28)9-10-19-15(2)12-20(35-5)17(4)16(19)3/h6-12,22-25,27-28,30-32H,13H2,1-5H3,(H,33,34)/b7-6+,10-9+,14-11-,18-8-