| 摘要 |
New octapeptides having the formula X-R1-Trp-Ser(benzyl)-Tyr(benzyl)-R2-Leu-Arg(R)-Pro-R3-Y wherein X is a protective group, R is hydrogen or a protective group, R1 is a single bond, Gln, D-Leu or D-Val, R2 is D-Phe or D-Ala, R3 is a single bond or Gly and Y is lower alkoxy, amino, lower alkylamino or di(lower alkyl)amino.
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