(2R)-2-[[(2S)-4-methyl-2-[[(2S)-2-[(2-morpholin-4-ylacetyl)amino]-4-phenylbutanoyl]amino]pentanoyl]amino]-3-phenylpropanoic acid ;((S)-2-(2-Morpholinoacetamido)-4-phenylbutanoyl)-L-leucyl-D-phenylalanine;