the 3- ( 3-oxoprop-1-enyl ) derivatives of thymidine , 2'-deoxyuridine , and 5-iodo-2'-deoxyuridine powerfully and selectively inhibit incorporation of thymidine into dna at concentrations ( ic50 approximately equal to 0.5 microm ) comparable to those observed with idoxuridine .
C0011535
deoxyuridine
C0020811
idoxuridine