N-(benzyloxycarbonyl)-O-tert-butyltyrosine ethyl ester
N-[(phenylmethoxy)carbonyl]-L-tyrosine
Z-Gly-Gly-OEt
glycylglycine ethyl ester
N-(benzyloxycarbonyl)-O-(1,1-dimethylethyl)-L-tyrosine
N,N-di-2-phenethyl-O-tert-butyltyrosylglycylglycylphenylalanylleucine methyl ester
N,N-dioctyl-O-tert-butyltyrosylglycylglycylphenylalanylleucine methyl ester
N,N-dibenzyl-O-tert-butyltyrosylglycylglycylphenylalanylleucine methyl ester