1 L75 N-[2(R)-hydroxy-1(S)-indanyl]-2(R)-phenylmethyl-4(S)-hydroxy-5-[4-[2-benzofuranylmethyl]-2(S)-[tert-butylaminocarbonyl]-piperazinyl]-pentaneamide 1.000 2 MK1 N-[2(R)-hydroxy-1(S)-indanyl]-5-[(2(S)-tertiary butylaminocarbonyl)-4(3-pyridylmethyl)piperazino]-4(S)-hydroxy-2(R)-phenylmethylpentanamide 0.860 3 XN3 N-[2(R)-hydroxy-1(S)-indanyl]-5-[(2(S)-tertiary butylaminocarbonyl)-4(benzo[1,3]dioxol-5-ylmethyl)-piperazino]-4(S)-hydroxy-2(R)-phenylmethylpentanamide 0.846 4 XN1 N-[2-hydroxy-1-indanyl]-5-[(2-tertiarybutylaminocarbonyl)-4(3-pyridylmethyl)piperazino]-4-hydroxy-2-(1-phenylethyl)-pen tanamide 0.843 5 XN2 N-[2-hydroxy-1-indanyl]-5-[(2-tertiarybutylaminocarbonyl)-4(benzo[1,3]dioxol-5-ylmethyl)-piperazino]-4-hydroxy-2-(1-phe nylethyl)-pentanamide 0.830