摘要：

A decapeptide of the formula: Ac-A 1 -A 2 -D-Trp-Ser-Tyr-A 3 -A 4 -A 5 -A 6 -A 7 -NH 2 wherein each A 1 and A 2 , independently, is D-Trp, D-β-Nal, or D-p-X-Phe, wherein X is a halogen or CH 3 ; A 3 is D-β-Nal, D-Trp, D-Lys, D-Arg, D-homo-Arg, D-diethyl-homo-Arg, or D-p-X-Phe, wherein X is a halogen or CH 3 ; A 4 is Phe, Tyr, pentafluoro-Phe, Trp, β-Nal, or p-X-Phe, wherein X is a halogen or CH 3 ; A 5 is Arg or Lys; A 6 is Pro or hydroxy-Pro; and A 7 is Gly or D-Ala; or a pharmaceutically acceptable salt thereof.

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