CC(=[OH+])N1CN2CN(C1)CN(C(C)=[OH+])C2    mol33941    2_1
CC(=O)N1C[NH+]2CN(C(C)=O)C[NH+](C1)C2    mol33941    2_2
CC(=O)N1CN2CN(C(C)=[OH+])C[NH+](C2)C1    mol33941    2_3
CC(=[OH+])N1CN2CN(C(C)=[OH+])C[NH+](C2)C1    mol33941    3_1
CC(=O)N1C[NH+]2CN(C(C)=[OH+])C[NH+](C1)C2    mol33941    3_2