the metabolism and mode of action of 9- ( 4-hydroxy-3-hydroxymethylbut-1-yl ) guanine ( brl 39123 ) were studied in herpes simplex virus type 1 ( hsv-1 ) -infected and uninfected mrc-5 cells and compared with those of acyclovir .
C0018321
guanine
C0001367
acyclovir