Standard InChI: InChI=1S/C11H16N10O5/c22-7(23)3-1-5(9-14-18-19-15-9)12-11(26)13-6(2-4-8(24)25)10-16-20-21-17-10/h5-6H,1-4H2,(H,22,23)(H,24,25)(H2,12,13,26)(H,14,15,18,19)(H,16,17,20,21)/t5-,6-/m0/s1
1.Kozikowski AP, Zhang J, Nan F, Petukhov PA, Grajkowska E, Wroblewski JT, Yamamoto T, Bzdega T, Wroblewska B, Neale JH.. (2004) Synthesis of urea-based inhibitors as active site probes of glutamate carboxypeptidase II: efficacy as analgesic agents., 47 (7):[PMID:15027864][10.1021/jm0306226]