InChI=1S/C15H24N2O7/c1-5-7(3)9(12(18)16-8(4)14(20)21)17-13(19)10-11(24-10)15(22)23-6-2/h7-11H,5-6H2,1-4H3,(H,16,18)(H,17,19)(H,20,21)/t7-,8-,9-,10-,11-/m0/s1