TABLE 2.

Stability study of 10 μM [³H]NHC (1,000 dpm/pmol) in monkey and human whole blood

Time (h)	% Nucleoside in:
	Monkey blood			Human blood
	Cytidine	NHC	Uridine	Cytidine	NHC	Uridine
0	0	100.0	0	0	100	0
0.08	0	99.0	1.0
0.16	0.3	91.7	8.02
1	0.5	85.0	14.5	0	95.3	4.7
2	0.0	65.2	34.9
4	0.6	49.2	50.2	0	92.0	8.0
24	10.2	25.6	64.2	7.7	39.9	52.4
t1/2	0.90	3.89	4.93		17.90	6.87