116370-33-3 1H-Purine-2,6-dione, 3-(2-(4-azido-3-(iodo-125I)phenyl)ethyl)-8-cyclopentyl-3,7-dihydro-1-propyl- 3-(2-(4-Azido-3-(iodo-125I)phenyl)ethyl)-8-cyclopentyl-3,7-dihydro-1-propyl-1H-purine-2,6-dione 3-(3-Iodo-4-azido)phenethyl-1-propyl-8-cyclopentylxanthine I-Azido-BW A 844U I-Azido-BW-A844U I-Azido-bwa844U