04:00 - Antihistamines

 08:00 - Anti-infectives

 10:00 - Antineoplastic Agents

 12:00 - Autonomic drugs

20:00 - Blood Formation Coagulation And Thrombosis

24:00 - Cardiovascular drugs

28:00 - Central nervous system agents

40:00 - Electrolytic, caloric, and water balance

44:00 - Enzymes

48:00 - Respiratory tract agents

52:00 - Eye, ear, nose, and throat (EENT) preparations

56:00 - Gastrointestinal drugs

64:00 - Heavy Metal Antagonists

68:00 - Hormones and Synthetic Substitutes

76:00 - Oxytocics

84:00 - Skin & Mucous Membrane Agents

86:00 - Smooth muscle relaxants

92:00 - Miscellaneous Therapeutic Agents