Spiro[6H-cyclopenta[b]pyridine-6,3′-[3H]pyrrolo[2,3-b]pyridin]-2′(1′H)-one, 3-chloro-1′-(1,1-dimethylethyl)-5,7-dihydro-, (3′S),Spiro[6H-cyclopenta[b]pyridine-6,3′-[3H]pyrrolo[2,3-b]pyridin]-2′(1′H)-one, 3-chloro-1′-(1,1-dimethylethyl)-5,7-dihydro-, (3′S),Atogepant
