InChI=1S/C18H34O5/c1-2-3-4-5-6-9-12-15(19)18(23)16(20)13-10-7-8-11-14-17(21)22/h10,13,15-16,18-20,23H,2-9,11-12,14H2,1H3,(H,21,22)/b13-10-/t15-,16+,18+/m0/s1