O=C(Nc1ccc(Cl)cn1)[C@H]1CN(CC(F)F)C[C@@H]1C(=O)Nc1ccc(-n2ccccc2=O)cc1F mol19821 0_1 O=C(Nc1ccc(Cl)cn1)[C@H]1C[NH+](CC(F)F)C[C@@H]1C(=O)Nc1ccc(-n2ccccc2=O)cc1F mol19821 1_1 O=C(Nc1ccc(Cl)c[nH+]1)[C@H]1CN(CC(F)F)C[C@@H]1C(=O)Nc1ccc(-n2ccccc2=O)cc1F mol19821 1_2