O=C(Cc1cccc2ccccc12)N[C@H](Cc1cc2ccc(F)cc2[nH]1)C(=O)O mol16813 0_1 O=C(Cc1cccc2ccccc12)N[C@H](Cc1cc2ccc(F)cc2[n-]1)C(=O)O mol16813 -1_1 O=C(Cc1cccc2ccccc12)N[C@H](Cc1cc2ccc(F)cc2[nH]1)C(=O)[O-] mol16813 -1_2