Fmoc-amino acidsd N-fmoc-l-alanine N-fmoc-l-aspartic acid N-fmoc-l-asparagine N-fmoc-l-arginine N-fmoc-l-threonine N-fmoc-l-glutamine N-fmoc-glycine N-fmoc-l--phenylalanine N-fmoc-l-leucine N-fmoc-l-isoleucine N-fmoc-l-methionine N-fmoc-l-proline N-fmoc-l-serine N-fmoc-l-tryptophan N-fmoc-l-valine -f 25 kg net per fiber drums .