189563-97-1
5-ethenyl-1,3-dihydro-2H-Pyrrolo[2,3-b]pyridin-2-one
→
189563-98-2
2-oxo-1,3-dihydropyrrolo[2,3-b]pyridine-5-carbaldehyde
183208-34-6
5-溴-1H-吡咯并[2,3-b]吡啶-2-酮