<prompt> Answer this question truthfullyWhat is the explanation for the relationship between Oxprenolol and Stereochemistry?  <response>: <reason> Oxprenolol is a chiral compound, the beta blocker is used as a racemate, e. g. a 1:1 mixture of R--oxprenolol and S--oxprenolol. Analytical methods HPLC for the separation and quantification of R--oxprenolol and S--oxprenolol in urine and in pharmaceutical formulations have been described in the literature. 