no significant differences were seen in the affinities of the polymerases for ttp and dgtp , or for the triphosphates of 9- ( 2-hydroxyethyloxymethyl ) guanine ( acyclovir ) or ( e ) -5- ( 2-bromovinyl ) -2'-deoxyuridine ( bvdu ) ( drugs used in their isolation ) .
C0018321
guanine
C0001367
acyclovir