| 主权项 |
1. A peptide of Formula I:
X—(O1)m—(K)n—(O2)n′—(K)j—(O3)j′—(K)j″—(O4)m′—(K)m′—Z Formula (I) or a pharmaceutically acceptable salt thereof, wherein each K is a Lys residue; O1, O2, O3, and O4 are each independently selected from a Phe, Trp, or Tyr residue; X is selected from H, COH, C(NH)NH2, C(O)CH3, Cbz, Fmoc, Alloc or Boc, or a bond; Z is selected from OH, OR1, NH2, NR1R2, or a bond, wherein R1 and R2 are each independently selected from H, C1-6 alkyl, C3-7 cycloalkyl, alkyl C3-7 cycloalkyl, alkylaryl, or alkylheteroaryl, each optionally substituted with halo; m, m′, and m″ are each independently 0, 1, or 2; n and n′ are each independently 1, 2, 3, or 4; and j, j′, and j″ are each independently 1 or 2. |
