InChI=1S/C25H34O7/c1-4-5-21(30)32-20-11-17-16-7-6-14-10-15(27)8-9-23(14,2)22(16)18(28)12-24(17,3)25(20,31)19(29)13-26/h8-10,16-18,20,22,26,28,31H,4-7,11-13H2,1-3H3/t16-,17-,18-,20+,22+,23-,24-,25+/m0/s1