2-amino-8-(4-bromophenyl)-3,7-dihydropurin-6-one

8-(4-bromophenyl)guanosine

2’,3’-二脱氧-3’-氟鸟苷

[3,4-diacetyloxy-5-(2,6-diiodopurin-9-yl)oxolan-2-yl]methyl acetate

3-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-7H-[1,2,4]triazolo[1,5-a]purin-9-one