Cbz-α-methylvaline-Aib4-GlyNH2
benzyl N-[8-(4,4-dimethyl-5-oxo-4,5-dihydrooxazol-2-yl)-2,5,5,8-tetramethyl-3,6-dioxo-4,7-diazanon-2-yl]carbamate
N-[benzyloxycarbonyl]-2-methylalanyl-2-methylalanyl-2-methylalanyl-2-methylalanine
Z-(αMe)ValAibAibAib**AibAibAib**AibAibAibOtBu
Benzyloxycarbonyl-L-prolyl-leucyl-α-aminoisobutyryl-α-aminoisobutyryl-α-glutamyl(γ-tert-butyl ester)-valinol