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