140897-10-5

L-Leucine,N-[2-[2-[(1-ethylpropyl)amino]-2-oxoethyl]-3,3-dimethyl-1-oxobutyl]-4-oxo-4-(1-pyrrolidinyl)-L-2-aminobutanoyl-L-2-(1-carboxycyclopentyl)glycyl-4-methyl-, (S)-