InChI=1S/C20H30O5/c1-2-3-8-14-18(22)19(23)15-10-7-5-4-6-9-12-17(21)13-11-16-20(24)25/h3-10,12,15,17-19,21-23H,2,11,13-14,16H2,1H3,(H,24,25)/b6-4-,7-5+,8-3-,12-9+,15-10+/t17-,18+,19+/m0/s1