InChI=1S/C20H30O6/c1-5-11(2)19(23)25-15-9-14(10-21)8-6-7-12(3)17(22)18-16(15)13(4)20(24)26-18/h7,11,14-18,21-22H,4-6,8-10H2,1-3H3/b12-7+/t11-,14+,15+,16-,17+,18-/m0/s1