InChI=1S/C20H30O6/c1-6-7-8-15(21)9-10-16(22)24-17-13(3)18-20(5,26-14(17)4)11-12(2)19(23)25-18/h9-11,13-15,17-18,21H,6-8H2,1-5H3/b10-9+/t13-,14+,15+,17-,18+,20-/m1/s1