1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile (CAS NO.517918-95-5), its Synonyms are 1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile(9CI) ; 5-Canyo-1H-Pyrrolo[2,3-b]pyridine ; 7-Azaindole-5-carbonitrile .