Abz-Tle-Tle-Asn(Me)2-Ala-Ser-Ser-Arg-Leu-3-nitro-Tyr-Arg-OH

2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[(2-aminobenzoyl)amino]-3,3-dimethylbutanoyl]amino]-3,3-dimethyl-4-oxobutanoyl]amino]propanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-4-methylpentanoyl]amino]-3-(4-hydroxy-3-nitrophenyl)propanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid;2,2,2-trifluoroacetic acid