sodium benzylcarbonate

Z-L-丙氨酰胺

Z-天冬氨酸酸酐

N-(benzyloxycarbonyl)-L-alanine (6-methoxy-2-oxo-2H-benzo[h]benzopyran-4-yl)methyl ester

benzo[d]oxazol-2-ylmethyl ((benzyloxy)carbonyl)-L-alaninate