TABLE 1

Binding Affinities (K_d ± SD, nmol/L; n = 3) of NLS-Derivatives and DOTA-TOC Labeled with ¹¹¹In for sstr2A

Compound	K_d (sstr2A)
¹¹¹In-DOTA-TOC	2.48 ± 0.51
¹¹¹In-(1)	280 ± 140
¹¹¹In-(2)	15.6 ± 1.2
¹¹¹In-(3)	7.4 ± 1.3
¹¹¹In-(4)	>10,000