CCCCNc1nc(C)c2c(ncn2C)n1    mol8272    0_1
CCCC[NH2+]c1nc(C)c2c(ncn2C)n1    mol8272    1_1
CCCCNc1nc(C)c2c(ncn2C)[nH+]1    mol8272    1_2
CCCCNc1nc(C)c2c(n1)[nH+]cn2C    mol8272    1_3
CCCCNc1nc2ncn(C)c2c(C)[nH+]1    mol8272    1_4