CCOC(=O)[C@H](C(C)=O)c1ccccc1    mol11663    0_1
CCOC(=O)[C-](C(C)=O)c1ccccc1    mol11663    -1_1
[CH2-]C(=O)[C@@H](C(=O)OCC)c1ccccc1    mol11663    -1_2