InChI=1S/C22H34O7/c1-5-8-14(2)9-6-10-15(3)11-7-12-16(4)13-28-22-19(25)17(23)18(24)20(29-22)21(26)27/h5,8,10,12,17-20,22-25H,1,6-7,9,11,13H2,2-4H3,(H,26,27)/b14-8+,15-10-,16-12+