InChI=1S/C26H34O7/c1-14-23(5)13-16-22(4)11-10-17(27)33-21(2,3)15(22)9-12-24(16,6)26(14,20(30)32-8)19(29)25(7,31)18(23)28/h10-11,15-16,31H,1,9,12-13H2,2-8H3/t15-,16+,22-,23-,24+,25+,26+/m1/s1