2-(1,7-dihydropurin-6-ylidene)propanedinitrile

2-(7H-purin-6-yloxy)ethanol

1-(2-chloroethyl)-7H-purin-6-one

2-[(6-aminopurin-9-yl)methoxy]propane-1,3-diol

N-[(2-methoxyphenyl)methyl]-7H-purin-6-amine