InChI=1S/C18H28O10/c19-7-3-1-2-4-10-9(5-6-11(10)20)8-12(21)27-18-15(24)13(22)14(23)16(28-18)17(25)26/h9-10,13-16,18-19,22-24H,1-8H2,(H,25,26)