S-(o-nitrophenyl)-L-cysteine
tert-butyl (R)-4-oxo-3-phthalimido-2,3,4,5-tetrahydro-1,5-benzothiazepine-5-acetate
tert-butyl (R)-3-amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-5-acetate
(R)-3-(2-nitrophenyl)thio-2-phthalimidopropionic acid
(2R)-3-(2-Aminophenylthio)-2-phthalimidopropionsaeure