1-[[[3-[2-(Dimethylamino)ethyl]-2,3-dihydro-2-oxo-1H-indol-5-yl]methyl]sulfonyl]pyrrolidine, is an impurity of Almotriptan (A575200), a serotonin 5HT1B /1D-receptor agonist used for treatment of migraine.
Almotriptan Impurity 1 Preparation Products And Raw materials