L-Val-L-Pro-L-Asn-L-Leu-L-Pro-L-Gln-L-Arg-L-Phe-NH2

(2S)-2-[[(2S)-1-[(2S)-5-amino-2-[[(2S)-2-[[2-[[(2R)-2-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]propanoyl]amino]acetyl]amino]-3-phenylpropanoyl]amino]-5-oxopentanoyl]pyrrolidine-2-carbonyl]amino]-N-[(2S)-1-[[(2S)-1-amino-1-oxo-3-phenylpropan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]pentanediamide

(2S)-2-[[(2R)-5-(diaminomethylideneamino)-2-(3,3-diphenylprop-2-enoylamino)pentanoyl]amino]-4-methylpentanamide

(2R)-N-(2-amino-2-oxoethyl)-5-(diaminomethylideneamino)-2-(3,3-diphenylprop-2-enoylamino)pentanamide

2-[(Pyrrolidine-2-carbonyl)-amino]-pentanedioic acid 5-amide 1-{[1-(1-carbamoyl-2-phenyl-ethylcarbamoyl)-4-guanidino-butyl]-amide}

(S)-2-[((S)-Pyrrolidine-2-carbonyl)-amino]-pentanedioic acid 5-amide 1-{[(S)-1-((S)-1-carbamoyl-2-phenyl-ethylcarbamoyl)-4-guanidino-butyl]-amide}