InChI=1S/C16H26N2O8/c1-5-7(3)9(15(22)23)17-13(20)10(8(4)19)18-14(21)11-12(26-11)16(24)25-6-2/h7-12,19H,5-6H2,1-4H3,(H,17,20)(H,18,21)(H,22,23)/t7-,8+,9-,10-,11-,12-/m0/s1