Apricitabine (SPD754; AVX754) (oral adminstation; 10 mg/kg; once a day) exhibits a good oral bioavailability of 68% for males and 69.4% for females rats. And the T1/2, AUC0–∞, Tmax, Cmax are 62.2 mins, 157.4 μg/min/ml and 37.3 mins, 1.16 μg/ml in female rats. Apricitabine (SPD754; AVX754) (intravenous injection; 10 mg/kg; once a day) exhibits the T1/2, AUC0–∞ values of 12.7 mins, 226.9 μg/min/ml in female rats.