*p<0.01 for pure enantiomer vs. achiral and p=0.04 for pure enantiomer vs. chiral mixtures;p=0.02 for achiral vs. chiral mixtures;p<0.01 for achiral vs. chiral mixtures and p=0.03 for achiral vs. pure enantiomers;δp<0.01 for pure enantiomer vs. achiral drugs.

Table 3. Chiral distribution of the drugs by the time after launch.