Concentration of

(S)-CAR (ng/ml)

% CV (% RSD) ± SE

0 hr

3rd hr

5th hr

5

99.66 (0.015) ± 0.008

99.54 (0.025) ± 0.014

99.41 (0.02) ± 0.011

10

99.61 (0.025) ± 0.014

99.38 (0.045) ± 0.026

99.17 (0.055) ± 0.032

50

99.62 (0.045) ± 0.026

99.39 (0.07) ± 0.04

99.21 (0.08) ± 0.046