the sensitivity of this assay was such that ara-c , 0.02 mug/ml , in plasma could be detected , and the assay was practically free from interference by deoxycytidine , cytidine , 1-beta-d-arabinofuranosyluracil , and other nucleosides , as well as from various antibiotics .
C0011485
deoxycytidine
C0010715
cytidine