Blood samples for pharmacokinetic analysis were obtained prior to dosing and at 0.25 , 0.50 , 0.75 , 1.0 , 1.5 , 2.0 , 2.5 , 3.0 , 4.0 , 5.0 , 6.0 and 8.0 h following dosing and urine collections were done for 8 h.
