4-Methyl-7-azaindole (CAS No.824-24-8), its synonyms are 1H-pyrrolo[2,3-b]pyridine, 4-methyl- ; 4-Methyl-1H-pyrrolo[2,3-b]pyridin ; 4-Methyl-1H-pyrrolo[2,3-b]pyridine .