Ac-VEID-pNA is a peptide substrate used to measure activity of caspase 6.

A guanosine analog with antiviral activity in vitro against the herpes simplex viruses, varicella zoster virus, Epstein-Barr virus, cytomegalovirus, and human herpes virus 6 (ID₅₀s = 0.1 - 63.1 μM).