InChI=1S/C11H22N2O6/c12-7(11(18)19)3-1-2-4-13-5-8(15)10(17)9(16)6-14/h7,9-10,13-14,16-17H,1-6,12H2,(H,18,19)/p+1/t7-,9+,10-/m0/s1