5241-60-1
N-苄氧羰基-L-天冬氨酸 1,4-二苄酯
→
4526-73-2
dibenzyl 2-[[4-oxo-4-phenylmethoxy-2-(phenylmethoxycarbonylamino)butanoyl]amino]butanedioate
3479-47-8
CBZ-L-天门冬氨酸β-苄酯
58471-53-7
H-ASP-ASP-OH