120640-19-9
N,N'-[N,N'-bis-(4-nitro-benzyloxycarbonyl)-L-cystyl]-bis-L-phenylalanine diethyl ester
→
120176-51-4
N,N'-[N,N'-bis-(4-nitro-benzyloxycarbonyl)-L-cystyl]-bis-L-phenylalanine
62130-80-7
(H-CYS-PHE-OH)2