4 iodo mto further compounds according to the invention can be synthesized such as e g r ethyl 3 1 4 iodophenyl ethyl 3h imidazole 4 carboxylate 4 iodo eto and their radioactive analogues basmadjian g p hetzel k r ice r d beierwaltes w h 1975 synthesis of a new adrenal cortex imaging agent 6 u25a1 131 i iodomethyl 19 norcholest 5 10 en 3 u25a1 ol np 59 j labelled compd amp radiopharm xi 427 434 sakar s d ice r d beierwaltes w h gill s p balanchandran s basmadjian g p 1976 selenium 75 19 selenocholesterol u2014 a new adrenal scanning agent with high concentration in the adrenal cortex j nucl med 17 212 217 w h beierwaltes d m wieland r d ice j e seabold s d sarkar s p gill and s t mosley localization of radiolabeled enzyme inhibitors in the adrenal gland j nucl med 17 11 998 1002 1976 w h beierwaltes d m wieland s t mosley d p swanson s d sarkar j e freitas j h thrall and k r herwig imaging the adrenal glands with radiolabeled inhibitors of enzymes concise communication j nucl med 19 2 200 203 1978 wu j l wieland d m beierwaltes w h swanson d p brown l e radiolabelled enzyme inhibitors u2014 enhanced localization following enantiomeric purification.