(2S,3S)-tert-butyl 3-(benzyl((S)-1-phenylethyl)amino)-2-hydroxyheptanoate

(2S,3S)-3-(benzyl((S)-1-phenylethyl)amino)-2-hydroxyheptanoic acid

(2S,3S)-3-(benzyl((S)-1-phenylethyl)amino)-N-cyclopropyl-2-hydroxyheptanamide

(1R,2S,5S)-3-[(2S)-2-[[1-(tert-butylsulfonylmethyl)cyclohexyl]carbamoylamino]-3,3-dimethylbutanoyl]-N-[(3S)-1-(cyclopropylamino)-2-hydroxy-1-oxoheptan-3-yl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide

环己酮