1 PP8 2-[(1r)-1-(N-(3-methylbutanoyl)-L-valyl-L-asparaginyl)-amino)-3-methylbutyl]hydroxyphosphinyloxy]-3-phenylpropanoic acid methylester 1.000 2 PP7 Methyl cyclo[(2s)-2-[[(1r)-1-(N-(L-N-(3-methylbutanoyl)valyl-L-aspartyl)amino)-3-methylbutyl]hydroxyphosphinyloxy]-3-(3-aminomethyl)phenylpropanoate 0.933 3 1Z7 N-(3-methylbutanoyl)-L-valyl-N-{(1s)-1-[(R)-[(1r)-1-benzyl-2-methoxy-2-oxoethoxy](hydroxy)phosphoryl]-3-methylbutyl}-L- valinamide 0.932