英文别名(6S)-2'-Oxo-1',2',5,7-tetrahydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridine]-3-carboxylic acid; Ubrogepant Intermediate; Atogepant impurity; (S)-2'-oxo-1',2',5,7-tetrahydrospiro(cyclopenta(b)pyridine-6,3'-pyrrolo(2,3-b)-bipyridine)-3-carboxylic acid; (3'S)-1',2',5,7-Tetrahydro-2'-oxospiro[6H-cyclopenta[b]pyridine-6,3'-[3H]pyrrolo[2,3-b]pyridine]-3-carboxylic acid; 2'-Oxo-1',2',5,7-tetrahydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridine]-3-carboxylic acid, (S)-; Spiro[6H-cyclopenta[b]pyridine-6,3'-[3H]pyrrolo[2,3-b]pyridine]-3-carboxylic acid, 1',2',5,7-tetrahydro-2'-oxo-, (3'S)-