Cc1n[nH]c(=O)n1-c1ccc(C(=O)O)cc1    mol22970    0_1
Cc1[nH+][nH]c(=O)n1-c1ccc(C(=O)[O-])cc1    mol22970    0_2
Cc1n[nH]c(=O)n1-c1ccc(C(=O)[O-])cc1    mol22970    -1_1
Cc1n[n-]c(=O)n1-c1ccc(C(=O)O)cc1    mol22970    -1_2