L-Methionine L-Tryptophan L-Threonine L-Lysine Hydrochloride L-Valine(high purity) DL-Methionine DL-Threonine DL-Valine DL-Isoleucine D-Valine D-Alanine D-Threonine D-Methionine D-Leucine D-Isoleucine D-Tryptophan D-Arginine Base N-Acetyl-DL-Methionine N-Acetyl-L-Methionine N-Acetyl-L-Valine