Cbz-amino acids N-CBZ-L-Alanine N-CBZ-L-Aspartic acid N-CBZ-Asparagine N-CBZ-L-Arginine N-CBZ-L-Glutamic acid N-CBZ-L-Glutamine N-CBZ-Glycine N6-CBZ-L-Lysine N-CBZ-L-Leucine N-CBZ-L-Isoleucine N-CBZ-L-Methionine N-CBZ-L--Phenylalanine N-CBZ-L-Proline N-CBZ-L-Serine N-CBZ-L-Threonine N-CBZ-L-Tryptophan N-CBZ-L-Valine N-CBZ-S-Phenyl-L-Cysteine 25 kg net per fiber drums