Patent ID: 7442683

Claim:
The cyclic peptide represented by general formula (I) or a pharmacologically acceptable salt thereof: Wherein: m and n may be identical or different from each other, and are independently 0 or 1; X is O or NH; R 1 is CH 3 (CH 2 ) 12 -, CH 3 (H 2 ) 10 CONH— or CH 3 (CH 2 ) 10 COCH 2 - ; AA 1 is L-alanine; AA 2 is L-ornithine; AA 3 is β-alanine, glycine, L-alanine, L-asparagine, L-aspartic acid, L- glutamic ancid, L-serine or D-allo-threonine; AA 4 is L-serine or D-allo-threonine; AA 5 is L-serine or D-allo-threonine; AA 6 is D-asparagine; AA 7 is D-allo-threonine, D-β-hydroxyvaline or D-β-hydroxyphenyl alanine; and AA 8 is glycine or D-allo-threonine.