NC(=O)c1[nH]nnc1N    mol7641    0_1
NC(=O)c1[nH][nH+]nc1N    mol7641    1_1
NC(=O)c1[nH]n[nH+]c1N    mol7641    1_2
NC(=O)c1[nH]nnc1[NH3+]    mol7641    1_3
NC(=O)c1[nH]n[nH+]c1[NH3+]    mol7641    2_1
NC(=O)c1[nH][nH+]nc1[NH3+]    mol7641    2_2
NC(=O)c1[nH][nH+][nH+]c1N    mol7641    2_3
NC(=O)c1[n-]nnc1N    mol7641    -1_1