InChI=1S/C12H22N2O5/c1-3-6-12(2,19)7-10(16)14-8(11(17)18)4-5-9(13)15/h8,19H,3-7H2,1-2H3,(H2,13,15)(H,14,16)(H,17,18)/p-1/t8-,12?/m0/s1