(S)-(2,2-dimethyl-1-methylcarbamoylpropyl)carbamic acid tert-butyl ester

(S)-2-[2-(Hydroxy-methyl-amino)-3,4-dioxo-cyclobut-1-enylamino]-4-methyl-pentanoic acid ((S)-2,2-dimethyl-1-methylcarbamoyl-propyl)-amide

L-叔亮氨酸甲酰胺

L-亮氨酰-N,3-二甲基-L-缬氨酰胺

L-isoleucyl-L-tert-leucine methyl amide