InChI=1S/C18H32N2O7/c1-18(2,3)8-7-12(22)13(23)14(24)15(27-4)17(26)20-11-6-5-10(21)9-19-16(11)25/h7-8,10-15,21-24H,5-6,9H2,1-4H3,(H,19,25)(H,20,26)/b8-7+/t10-,11+,12-,13+,14-,15-/m1/s1