The molecule is a tripeptide composed of L-leucine, L-leucine and L-tyrosine joined in sequence by peptide linkages. It derives from a L-tyrosine and a L-leucine.
(2S)-2-[[(2S)-2-[[(2S)-2-amino-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-3-(4-hydroxyphenyl)propanoic acid