CC(=O)C[C@@H](c1ccccc1)c1c(O)oc2ccccc2c1=O    mol31920    0_1
CC(=O)C[C@@H](c1ccccc1)c1c([O-])oc2ccccc2c1=O    mol31920    -1_1
[CH2-]C(=O)C[C@@H](c1ccccc1)c1c(O)oc2ccccc2c1=O    mol31920    -1_2
CC(=O)[CH-][C@@H](c1ccccc1)c1c(O)oc2ccccc2c1=O    mol31920    -1_3