Pharmacokinetics of compound II in BALB/c mice administered at 100 mg/kg dose. Serum level of compound I was monitored after i.p. administration of 100 mg/kg compound I in three BALB/c mice. The blood samples were collected at 0.5, 1, 2, 4, 6, 12, 24, and 48 hours and analyzed as described in Materials and Methods. Data points represent mean ± S.D.