129445-88-1 ES 8891 ES-8891 L-threo-Pentonamide, 5-cyclohexyl-2,4,5-trideoxy-N-hexyl-4-((N-(3-(1-naphthalenyl)-N-(4-morpholinylacetyl)-L-alanyl)-3-(4-thiazolyl)-L-alanyl)amino)- N-Morpholinoacetyl-(1-naphthyl)-L-alanyl-(4-thiazolyl)-L-alanyl-4-amino-3-hydroxy-5-cyclohexylpentanoyl-n-hexylamide