enatiomers
Figure 3: Chromatograms of A) R(+) and S(-) enatiomers of metoprolol tartarate; B) Presolol®tablets; [mobile phase: acetonitrile – 5.87 mMβ–CD (14.3:85.7 V/V), pH of the mobile phase 3.0, flow rate 1.5 mL min-1, column temperature 35°C, UV detection 275 nm].