What is the brand name for diclofenac sodium?

A. Advil is the proprietary brand name for ibuprofen, a propionic acid derivative. It functions by non-selectively inhibiting cyclooxygenase 1 and 2 enzymes. It is chemically distinct from the phenylacetic acid derivative requested in the question stem. B. Voltaren is the brand name for diclofenac sodium, a non-steroidal anti-inflammatory drug. It inhibits prostaglandin synthesis by targeting the cyclooxygenase pathway. This specific brand is commonly available in oral, topical, and ophthalmic formulations for pain management. C. Naprosyn is the brand name for naproxen, another member of the propionic acid class of non-steroidal anti-inflammatory drugs. It provides analgesic and anti-inflammatory effects through systemic enzyme inhibition. It is not the brand name for diclofenac sodium. D. Toradol is the brand name for ketorolac tromethamine, a potent heterocyclic acetic acid derivative. It is primarily used for short-term management of moderately severe acute pain. It represents a different chemical entity than the diclofenac molecule specified.