InChI=1S/C20H32O6/c1-4-5-6-7-8-9-10-11-12-17(23)20(24)18(25-15(2)21)13-14-19(20)26-16(3)22/h13-14,18-19,24H,4-12H2,1-3H3/t18-,19-/m1/s1