FDA List Drug Classes

List FDA pharmacological drug classes (Established Pharmacologic Class, EPC) and the number of drug products in each class. Classes include designations like 'Selective Serotonin Reuptake Inhibitor [EPC]', 'Beta-Adrenergic Blocker [EPC]', 'HMG-CoA Reductase Inhibitor [EPC]' (statins), 'ACE Inhibitor [EPC]', etc. Use this to discover drug class names for filtering or understanding drug categorization.