InChI=1S/C18H26O6/c1-11-4-2-5-13(19)6-3-7-14(20)8-12-9-15(21)10-16(22)17(12)18(23)24-11/h9-11,13-14,19-22H,2-8H2,1H3/t11-,13?,14?/m0/s1