CN(C)c1ncnc2c1cnn2C    mol4943    0_1
CN(C)c1nc[nH+]c2c1cnn2C    mol4943    1_1
CN(C)c1[nH+]cnc2c1cnn2C    mol4943    1_2
CN(C)c1ncnc2c1c[nH+]n2C    mol4943    1_3
Cn1ncc2c([NH+](C)C)ncnc21    mol4943    1_4