c1c(N2CCOCC2)cc(N2CCOCC2)cc1N1CCOCC1    mol34568    0_1
c1c(N2CCOCC2)cc([NH+]2CCOCC2)cc1N1CCOCC1    mol34568    1_1
c1c(N2CCOCC2)cc([NH+]2CCOCC2)cc1[NH+]1CCOCC1    mol34568    2_1