InChI=1S/C18H26O6/c1-4-5-6-7-8-9-14-10-16(21)18(24-13(3)20)17(22)15(14)11-23-12(2)19/h6-9,14-16,18,21H,4-5,10-11H2,1-3H3/b7-6+,9-8+/t14-,15+,16-,18-/m1/s1