InChI=1S/C18H30O11/c19-10(7-5-8-11(20)21)6-3-1-2-4-9-12(22)28-18-15(25)13(23)14(24)16(29-18)17(26)27/h10,13-16,18-19,23-25H,1-9H2,(H,20,21)(H,26,27)