C[C@H]1CNC[C@H](C)N1    mol24500    0_1
C[C@H]1C[NH2+]C[C@H](C)N1    mol24500    1_1
C[C@H]1CNC[C@H](C)[NH2+]1    mol24500    1_2
C[C@H]1C[NH2+]C[C@H](C)[NH2+]1    mol24500    2_1