Cc1cc(C)n(OCC(=O)[O-])c(=O)[nH+]1    mol7217    0_1
Cc1cc(C)n(OCC(=O)O)c(=O)n1    mol7217    0_2
Cc1cc(C)n(OCC(=O)O)c(=O)[nH+]1    mol7217    1_1
Cc1cc(C)n(OCC(=O)[O-])c(=O)n1    mol7217    -1_1