7-(3,5-dihydro-2H-1,4-benzodioxepin-3-yl)-6-iodopurine

3-(6-chloropurin-9-yl)propan-1-ol

5-phenyldiazenyl-2-[3-(7H-purin-6-ylamino)propyl]pyrimidine-4,6-diamine

N,N-dibenzyl-7H-purin-6-amine

(6-chloro-7H-purin-7-yl)propanenitrile