IUPAC Name: (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-methylpentanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]pyrrolidine-2-carbonyl]amino]-3-phenylpropanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-4-methylpentanoic acid Synonyms: (Des-Asp1)-Angiotensin I, 56317-01-2, Angiotensin I [Des-Asp1-](human), MFCD00167488, (Des-Asp1)-Angiotensin I (H-L-Arg-L-Val-L-Tyr-L-Ile-L-His-L-Pro-L-Phe-L-His-L-Leu-OH)