CC1=CC(=O)C(C(C)C)=C(O)C1=O    mol30608    0_1
[CH2-]C1=CC(=O)C(C(C)C)=C(O)C1=O    mol30608    -1_1
CC1=CC(=O)C([C-](C)C)=C(O)C1=O    mol30608    -1_2
CC1=CC(=O)C(C(C)C)=C([O-])C1=O    mol30608    -1_3