InChI=1S/C25H27NO8/c1-14(28)26-20-22(30)21(29)18(13-27)32-25(20)34-24-17(12-15-8-4-2-5-9-15)19(23(31)33-24)16-10-6-3-7-11-16/h2-11,18,20-22,24-25,27,29-30H,12-13H2,1H3,(H,26,28)/t18-,20-,21-,22-,24+,25-/m1/s1