tert-butyl (((9H-fluoren-9-yl)methoxy)carbonyl)glycyl-L-phenylalanyl-L-leucinate

(S)-2-((S)-2-{2-[2-(9H-Fluoren-9-ylmethoxycarbonylamino)-acetylamino]-acetylamino}-3-phenyl-propionylamino)-4-methyl-pentanoic acid tert-butyl ester

Fmoc-Tyr(OBu-t)-Gly-Gly-Phe-Leu-OBu-t

tert-butyl ((S)-2-amino-3-(4-(tert-butoxy)phenyl)propanoyl)glycylglycyl-L-phenylalanyl-L-leucinate