英文别名2-[2-[[2-(2-aminopropanoylamino)-4-methylpentanoyl]amino]propanoylamino]-4-methylpentanoic acid; A-L-A-L; ALAL; H-ALA-LEU-ALA-LEU-OH; alanine-leucine-alanine-leucine; alanyl-leucyl-alanyl-leucine; 2-[[2-[[2-[(2-amino-1-oxopropyl)amino]-4-methyl-1-oxopentyl]amino]-1-oxopropyl]amino]-4-methylpentanoic acid; L-Leucine, L-alanyl-L-leucyl-L-alanyl- 
