CAS No 181477-43-0 , (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-5-amino-2-[[(2S)-2-[[
(2S)-2-[[(2S,
3S)-2-amino-3-methylpentanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-
carboxypropanoyl]amino]-5-oxopentanoyl]amino]-3-methylbutanoyl]
pyrrolidine-2-carbonyl]amino]-3-phenylpropanoyl]amino]-3-
hydroxypropanoyl]amino]-3-methylbutanoic acid