Cc1nnn(CC(=O)[O-])[nH+]1    mol12950    0_1
Cc1n[nH+]n(CC(=O)[O-])n1    mol12950    0_2
Cc1nnn(CC(=O)O)n1    mol12950    0_3
Cc1nn(CC(=O)[O-])n[nH+]1    mol12950    0_4
Cc1nnn(CC(=O)[O-])n1    mol12950    -1_1