Racemic mixture of two enantiomers with different pharmacokinetic pharmacodynamic propeies is seen in: (A) Digoxin, (B) Dilantin, (C) Verapamil, (D) Octreotide
Answer is C. Refer Goodman and Gilman 11e p836 Verapamil is present as a racemic mixture of R and S verapamil. S verapamil has more stronger negative dromotropic action and higher first pass metabolism than R verapamil