Complex sentence: Sumatriptan (trade names Imitrex, Imigran, Imigran recovery) is a triptan sulfa drug containing a sulfonamide group for the treatment of migraine headaches.
Split into simpler sentences: Sumatriptan (trade names Imitrex, Imigran, Imigran recovery) is a triptan sulfa drug containing a sulfonamide group. It is used for the treatment of migraine headaches.