Cc1cccc(C(=O)O)n1    mol3649    0_1
Cc1cccc(C(=O)[O-])[nH+]1    mol3649    0_2
Cc1cccc(C(=O)O)[nH+]1    mol3649    1_1
Cc1cccc(C(=O)[O-])n1    mol3649    -1_1