???? ??????????? L-tert-Leucine L-Cystine Theanine cis-4-Hydroxy-L-proline L-Cysteine L-Histidine L-ASPARTIC ACID Glycine D-Alanine L-Citrulline DL-Methionine Taurine L-Lysine L(+)-Arginine FMOC-D-HOCIT-OH L-HOMOCITRULLINE