O=C(O)c1cn2c(c1O)C(=O)N(Cc1ccccc1)CC2    mol21367    0_1
O=C([O-])c1cn2c(c1O)C(=O)N(Cc1ccccc1)CC2    mol21367    -1_1
O=C(O)c1cn2c(c1[O-])C(=O)N(Cc1ccccc1)CC2    mol21367    -1_2