111In-tetraazacyclododecane-N,N',N'',N'''-tetraacetic acid-Phe(4-NO2)-cyclo(Cys-Tyr-Trp-Lys-Thr-Cys)-Tyr-NH2
111in-tetraazacyclododecane-n,n',n'',n'''-tetraacetic acid-phe(4-no2)-cyclo(cys-tyr-trp-lys-thr-cys)-tyr-nh2