(3S)-3-<(tert-butoxy)carbonylamino>-1-diazo-5-methylhexan-2-one
Boc-Leu-Arg(NO2)-OBzl
(S)-1-chloro-2-oxo-3-(Boc-amino)-5-methylhexane
((S)-3-Methyl-1-phenylsulfanylmethyl-butyl)-carbamic acid tert-butyl ester
2(S)-<(tert-butoxycarbonyl)amino>-4-methyl-1-(phenylsulfonyl)pentane