D-alanine, 338-69-2, d-cysteine hydrochloride monohydrate 32443-99-5, d-glutamic acid 6893-26-1, r-aminobutyric acid, 56-12-2, l-2- aminobutyric acid, 1492-24-6, d-2- aminobutyric acid, 2623-91-8, dl-2- aminobutyric acid, d-cis-hydroxyproline, 2584-71-6, l-trans-hydroxyproline, 51-35-4, d-proline, 344-25-2, d-phenylalanine, 673-06-3, d-tryptophan, 153-94-6, d-valine, 640-68-6, d-norvaline, 2013-12-9, l-norvaline, 6600-40-4, 4-nitro-d- phenylalanine, 56613-61-7, 4-nitro-l-phenylalanine hydrate, 949-99-5, 4-nitro-dl- phenylalanine, 2922-40-9, d-leucine\328-38-1, dl-norleucine\ 616-06-8, d-norleucine\ 327-56-0, l-norleucine \327-57-1, l-tert-leucine, l-acylase, n-methyl-l-alanine, n-methyl-dl-alanine, n-methyl-d-alanine, l-cyclopropylalanine, l-glutamic acid diethyl ester hydrochloride, d-tryptophan methyl ester hcl, d-glutamine, 5959-95-5, l-glutamine, 56-85-9, 6-aminohexanoic acid, 60-32-2, 2, 6-dichloropurine 5451-40-1, l-glutamicaci.