in contrast to thymine and 5-fluorouracil ( fura ) which were cleared from the bloodstream within 2-4 h after their i.p . administration ( 200 mumol/kg ) to rat , ( e ) -5- ( 2-bromovinyl ) uracil ( bvura ) maintained a concentration of 50-70 microm for at least 6 h and was still present in the plasma 24 h after its administration .
C0040087
thymine
C0041917
uracil