Standard InChI: InChI=1S/C25H28N2O9/c28-21(29)17(11-15-7-3-1-4-8-15)13-19(23(32)33)26-25(36)27-20(24(34)35)14-18(22(30)31)12-16-9-5-2-6-10-16/h1-10,17-20H,11-14H2,(H,28,29)(H,30,31)(H,32,33)(H,34,35)(H2,26,27,36)/t17-,18+,19-,20-/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]