* Morphine is the prototype of opioid analgesics
* Propranolol is the prototype of the beta blockers
* Chlorpromazine is the prototypical phenothiazine antipsychotic
* Imipramine is the prototypical tricyclic antidepressant, and itself a derivative of chlorpromazine
* Diazepam is the prototype of the benzodiazepine
* Diphenhydramine (Benadryl) is the prototype ethanolamine antihistamine
* Nifedipine is the prototype dihydropyridine calcium channel blocker
* Chloroquine is the prototypical antimalarial agent
* Acyclovir is the prototype antiviral agent that is activated by viral thymidine kinase
* Aspirin is the prototype NSAID