CN1C(O)=c2c([nH+]cn2C)=N[C@H]1N    mol8249    1_1
CN1C(O)=c2c(ncn2C)=N[C@H]1[NH3+]    mol8249    1_2
CN1C(O)=c2c(ncn2C)=[NH+][C@H]1N    mol8249    1_3
CN1C(O)=c2c([nH+]cn2C)=[NH+][C@H]1N    mol8249    2_1
CN1C(O)=c2c(ncn2C)=[NH+][C@H]1[NH3+]    mol8249    2_2
CN1C(O)=c2c([nH+]cn2C)=N[C@H]1[NH3+]    mol8249    2_3