(+/-)-N-Benzoyl-asparaginsaeure-β-benzylester-α-acetyloxyethylamid
(+/-)-N-Benzoyl-asparaginsaeure-β-benzyl-α-cyanmethyl-diester
(+/-)-2-(N-Benzoyl-asparaginsaeure-β-benzylester)-aminoethanol
(+/-)-N-Benzoyl-asparaginsaeure-α-(hydroxyethylamid)
(+/-)-N-Benzoyl-asparaginsaeure-β-benzylester