COC1=Nc2c(N)nc(N)nc2NC1    mol8127    0_1
COC1=Nc2c([NH3+])nc(N)nc2NC1    mol8127    1_1
COC1=[NH+]c2c(N)nc(N)nc2NC1    mol8127    1_2
COC1=Nc2c(nc(N)[nH+]c2N)NC1    mol8127    1_3
COC1=Nc2c(N)nc(N)nc2[NH2+]C1    mol8127    1_4
COC1=Nc2c(N)nc(N)[nH+]c2NC1    mol8127    1_5
COC1=Nc2c(N)nc([NH3+])nc2NC1    mol8127    1_6