.alpha.-Glutamylvaline .alpha.-L-Glutamyl-L-valine 4-Amino-5-((1-carboxy-2-methylpropyl)amino)-5-oxopentanoic acid 5879-06-1 AIDS-129175 AIDS129175 Glutamylvaline L-Glutamyl-L-valine L-Valine, N-L-.alpha.-glutamyl- NSC334345 Valine, N-L-.alpha.-glutamyl-, L-