Synonyms: tBu-CH2C(O)-CH2Ph-Leu-Phe-NH2;6-Phenyl-5-neopentylamido-4-hydroxy-2-benzyl-1-(leucinylphenylalaninylamino)-hexanone;129252-79-5;L-Phenylalaninamide, N-(5-((3,3-dimethyl-1-oxobutyl)amino)-4-hydroxy-1-oxo-6-phenyl-2-(phenylmethyl)hexyl)-L-leucyl-, (2R-(2R*,4S*,5S*))-;L-Phenylalaninamide, N-[5-[(3,3-dimethyl-1-oxobutyl)amino]-4-hydroxy-1-oxo-6-phenyl-2-(phenylmethyl)hexyl]-L-leucyl-, [2R-(2R*,4S*,5S*)]-;AC1NUHYN;Hydroxyethylene deriv. 3;(2R,4S,5S)-N-[(2S)-1-[[(2S)-1-amino-1-oxo-3-phenylpropan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]-2-benzyl-5-(3,3-dimethylbutanoylamino)-4-hydroxy-6-phenylhexanamide