2 h after oral application , stereospecific hplc analysis revealed different individual concentrations in plasma of ( r ) - 22.3 +/- 21.7 ng/ml ) and ( s ) -propranolol ( 30.4 +/- 26.9 ng/ml ) when 80 mg of ( r , s ) -propranolol.hcl was administered .
C0033497
propranolol
C0282321
propranolol.hcl