InChI=1S/C18H30O9/c1-4-5-6-11(12-7-10(23-2)8-14(20)25-12)26-18-16(22)15(21)17(24-3)13(9-19)27-18/h8,11-13,15-19,21-22H,4-7,9H2,1-3H3/t11-,12-,13+,15+,16-,17+,18+/m0/s1