Patent ID: 8765909

Claim:
A compound represented by the formula below, or a salt thereof, XX0-XX2-XX3-XX4-XX5-T-XX9-XX10-NH 2 wherein: XX0 represents C 1-12 alkanoyl; XX2 represents D-Tyr; XX3 represents Hyp or Pro(4F); XX4 represents Asn or 2-amino-3-ureidopropionic acid; XX5 represents Thr; T represents a group represented by formula II: Z 4 represents O, R 2 represents a linear C 1-10 alkyl group, which may optionally be substituted with a C 3-8 cycloalkyl group; Q 1 represents a C 1-4 alkyl group, which may optionally be substituted with an optionally substituted non-aromatic cyclic hydrocarbon group having carbon atoms not greater than 7; A represents a carbon atom substituted with hydrogen atom; A′ represents a carbon atom substituted with hydrogen atom or O; Q 2 represents CH 2 ; Y represents —CONH—; XX9 represents Arg or Arg(Me); and, XX10 represents Trp.