InChI=1S/C20H32O7/c1-2-3-4-7-15(25-24)10-11-17-16(18-13-19(17)27-26-18)8-5-6-14(21)9-12-20(22)23/h5-6,10-11,14-19,21,24H,2-4,7-9,12-13H2,1H3,(H,22,23)/b6-5-,11-10+/t14?,15-,16+,17+,18-,19+/m0/s1