CC[C@H]([NH3+])C(=O)N[C@H]4[C@@H](CC[NH3+])CC[C@H]3CC[C@@H](C(=O)NC(c1ccccc1)c2ccccc2)N3C4=O SMK_600_3EYL 1.006 133.789 37 507.679 8 8 2 9 487.623