the appearance of drug resistant strains of herpes simplex virus type 1 ( hsv-1 ) against 9-beta-d-arabinofuranosyladenine ( araa ) , in comparison with 5-iodo-2'-deoxyuridine ( iudr ) and 9- ( 2-hydroxyethoxymethyl ) guanine ( acycloguanosine , acg ) , has been investigated in green monkey kidney cell cultures ( vero ) and human embryo lung cell cultures ( hel ) .
C0011535
deoxyuridine
C0020811
iudr