Boc-L-Norvaline53308-95-5BOC-D-Leucinemonohydrate16937-99-8D-Lysinehydrochloride7274-88-6N-tert-Butoxycarbonyl-D-norvaline57521-85-4Boc-L-Leucine13139-15-6D-(-)-Argininehydrochloride627-75-8L-leucinatehydrochloride7517-19-3L-Cysteinemethylesterhydrochloride18598-63-5L-tert-Leucine20859-02-3L-Tryptophan73-22-3L-Methionine63-68-3)