InChI=1S/C17H30N8O8/c1-8(27)23-9(3-2-4-21-17(19)20)15(32)22-6-12(28)24-10(5-13(29)30)16(33)25-11(7-26)14(18)31/h9-11,26H,2-7H2,1H3,(H2,18,31)(H,22,32)(H,23,27)(H,24,28)(H,25,33)(H,29,30)(H4,19,20,21)