acycloguanosine ( 9- [ -hydroxyethoxymethyl ] guanine ) ( wellcome 248u ) has a highly specific and potent antiviral action against herpes-simplex virus ( h.s.v . ) types i and ii in cell-culture systems and in animal models of h.s.v . infection in the brain , skin , and eye .
C0001367
acycloguanosine
C0018321
guanine