CC(C)Nc1ncnc2[nH]ncc12    mol4952    0_1
CC(C)Nc1ncnc2[nH][nH+]cc12    mol4952    1_1
CC(C)Nc1nc[nH+]c2[nH]ncc12    mol4952    1_2
CC(C)[NH2+]c1ncnc2[nH]ncc12    mol4952    1_3
CC(C)Nc1[nH+]cnc2[nH]ncc12    mol4952    1_4
CC(C)Nc1ncnc2[n-]ncc12    mol4952    -1_1