H(-Glu-Glu-Asn-Val)6-OH

(4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(2S)-1-[[(2S)-5-[(2S)-2-[[(2S)-4-amino-2-[[(2S)-5-[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S)-2-amino-4-carboxybutanoyl]amino]-4-carboxybutanoyl]amino]-4-oxobutanoyl]amino]-3-methylbutanoyl]oxy-2-[[(2S)-2-amino-4-carboxybutanoyl]amino]-5-oxopentanoyl]amino]-4-oxobutanoyl]amino]-3-methylbutanoyl]oxy-1-[(4S)-4-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-amino-4-carboxybutanoyl]amino]-4-oxobutanoyl]amino]-3-methylbutanoyl]amino]-5-[(4S)-4-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-amino-4-carboxybutanoyl]amino]-4-oxobutanoyl]amino]-3-methylbutanoyl]amino]-4-carboxybutanoyl]amino]-5-[[(2S)-4-amino-1-[[(1S)-1-carboxy-2-methylpropyl]amino]-1,4-dioxobutan-2-yl]amino]-5-oxopentanoyl]oxy-5-oxopentanoyl]oxy-1,5-dioxopentan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-1,4-dioxobutan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-5-oxopentanoic acid