conversion rates of the prodrug ancitabine to the antileukemic cytarabine have been measured in vivo ( rabbits ) and in vitro ( in the presence of rabbit blood and human red blood cells , blood , and plasma ) using hplc analyses for the prodrug , drug , and its inactive metabolite , 1-beta-d-arabinosyluracil .
C0010557
ancitabine
C0010711
cytarabine