CC1=C(C)/C(=C(\C)C(=O)O)CC1=O    mol34936    0_1
[CH2-]C1=C(C)C(=O)C/C1=C(/C)C(=O)O    mol34936    -1_1
CC1=C(C)/C(=C(\C)C(=O)O)[CH-]C1=O    mol34936    -1_2
CC1=C(C)/C(=C(\C)C(=O)[O-])CC1=O    mol34936    -1_3