2-N,2-N-dihexyl-6-morpholin-4-yl-7H-purine-2,8-diamine

2,8-dichloro-N,N-dimethyl-7H-purin-6-amine

4-[2,8-di(piperidin-1-yl)-7H-purin-6-yl]morpholine

2,8-dichloro-N-(furan-2-ylmethyl)-7H-purin-6-amine

(2,6-dihydrazinyl-7H-purin-8-yl)hydrazine