Valganciclovir HCl is the L-valyl ester of ganciclovir, is a prodrug for ganciclovir with antiviral activity used to treat cytomegalovirus infections.

Tubercidin, obtained from Streptomyces tubercidicus, is an adenosine analogue, is a nucleoside antibiotic. Also exhibits antifungal and antiviral activities.

5-Fluorocytosine is an antimycotic prodrug which can be converted to 5-fluorouracil, working by inhibiting DNA and RNA synthesis and interfering with ribosomal protein synthesis. It shows both antifungal and antitumor activity.

Cordycepin is a nucleoside adenosine derivative that acts as an anticancer and antifungal agent. Cordycepin inhibits growth of various tumor cells in vitro. It can be converted to 3'-deoxyadenosine triphosphate (3'-dATP), which inhibits ATP-dependent DNA synthesis. Cordycepin is also useful for the study of messenger RNA transcription.

Triacetyl-ganciclovir is an anlogue of ganciclovir, which may be used for analytical studies of Ganciclovir.

Ganciclovir（BW 759）是一种核苷类似物，是口服活性抗病毒剂，对CMV（巨细胞病毒）有活性。更昔洛韦在体外也对疱疹病毒组的一些成员及其他一些DNA病毒有活性。更昔洛韦抑制人类疱疹病毒（HSV 1和2，CMV）和腺病毒1、2、4、6、8、10、19、22和28型的体外复制。更昔洛韦对猫疱疹病毒1型（FHV-1）的IC50为5.2 μM，并能扩散到脑内。

5-Azacytidine is a nucleoside analogue of cytidine that specifically inhibits DNA methylation by trapping DNA methyltransferases.