Cc1cc(C)n(O)c(=O)n1    mol7335    0_1
Cc1cc(C)n([O-])c(=O)[nH+]1    mol7335    0_2
Cc1cc(C)n(O)c(=O)[nH+]1    mol7335    1_1
Cc1cc(C)n([O-])c(=O)n1    mol7335    -1_1