CCCCNc1ncnc2c1cnn2C    mol4936    0_1
CCCCNc1ncnc2c1c[nH+]n2C    mol4936    1_1
CCCC[NH2+]c1ncnc2c1cnn2C    mol4936    1_2
CCCCNc1[nH+]cnc2c1cnn2C    mol4936    1_3
CCCCNc1nc[nH+]c2c1cnn2C    mol4936    1_4