InChI=1S/C26H32O7/c1-13-15-11-18(27)33-22(3,4)16(15)9-10-24(6)17(13)12-23(5)14(2)26(24,21(30)32-8)20(29)25(7,31)19(23)28/h9,17,31H,2,10-12H2,1,3-8H3/t17-,23+,24-,25-,26-/m0/s1