InChI=1S/C25H36O7/c1-14(2)20-17(11-15(3)9-8-10-25(4)23(32-25)21(20)26)31-24(27)16-12-18(28-5)22(30-7)19(13-16)29-6/h9,12-14,17,20-21,23,26H,8,10-11H2,1-7H3/b15-9-/t17-,20+,21-,23-,25+/m0/s1