(1S,2R,3S,4R,5S)-4-[2-chloro-6-[(3-iodophenyl)methylamino]purin-9-yl]-2,3-dihydroxy-N-methylbicyclo[3.1.0]hexane-1-carboxamide (1S,2R,3S,4R,5S)-4-[2-chloro-6-[(3-iodophenyl)methylamino]purin-9-yl]-2,3-dihydroxy-N-methyl-bicyclo[3.1.0]hexane-1-carboxamide (1S,2R,3S,4R,5S)-4-[2-chloro-6-[(3-iodophenyl)methylamino]-9-purinyl]-2,3-dihydroxy-N-methyl-1-bicyclo[3.1.0]hexanecarboxamide (1S,2R,3S,4R,5S)-4-[2-chloro-6-[(3-iodobenzyl)amino]purin-9-yl]-2,3-dihydroxy-N-methyl-bicyclo[3.1.0]hexane-1-carboxamide