methyl (2S)-4-methyl-2-[(2,2,2-trifluoroacetyl)amino]pentanoate

4-methyl-2-(4-methylphenylsulfonamido)pentanoic acid

H-ARG-LEU-OH

4-甲基-2-(苯基甲基氨基)戊酸

methyl 2-benzamido-4-methylpentanoate