Fc5cccc(S(=O)(=O)N[C@@H](Cc2ccc([C@@H]1CC(=O)NS1(=O)=O)cc2)C4[NH2+]C[C@@H](CCc3ccccc3)[NH2+]4)c5 IZ4_A1300_2VEX 3.222 142.619 40 588.727 9 6 2 10 494.836