N'-(2-benzyloxycarbonylamino-3-thiazol-4-yl-propionyl)-hydrazinecarboxylic acid tert-butyl ester
2-benzyloxycarbonylamino-3-thiazol-4-yl-propionic acid
diethyl (4-thiazolyl)methylacetamidomalonate
2-Amino-3-(4-thiazolyl)-propanoic acid
2-benzyloxycarbonylamino-3-thiazol-4-yl-propionic acid 4-nitro-phenyl ester