CCCCNc1nc(C)nc2c1ncn2C    mol8273    0_1
CCCC[NH2+]c1nc(C)nc2c1ncn2C    mol8273    1_1
CCCCNc1[nH+]c(C)nc2c1ncn2C    mol8273    1_2
CCCCNc1nc(C)nc2c1[nH+]cn2C    mol8273    1_3
CCCCNc1nc(C)[nH+]c2c1ncn2C    mol8273    1_4