NCC(N)CN    mol3200    0_1
NCC(N)C[NH3+]    mol3200    1_1
NCC([NH3+])CN    mol3200    1_2
NCC([NH3+])C[NH3+]    mol3200    2_1
NC(C[NH3+])C[NH3+]    mol3200    2_2
[NH3+]CC([NH3+])C[NH3+]    mol3200    3_1