InChI=1S/C20H32O6/c1-2-3-4-7-14(21)10-11-16-17(19(24)13-18(16)23)12-15(22)8-5-6-9-20(25)26/h10-11,14,16-18,21,23H,2-9,12-13H2,1H3,(H,25,26)/b11-10+/t14-,16+,17+,18+/m0/s1