1-Boc-7-azaindole-3-carboxaldehyde

1-(tert-Butyloxycarbonyl)-3-formyl-7-azaindole

tert-Butyl 3-formyl-1H-pyrrolo[2,3-b]pyridine-1-carboxylate

1-(tert-Butoxycarbonyl)-3-formyl-7-azaindole, 3-Formyl-pyrrolo[2,3-b]pyridine-1-carboxylic acid tert-butyl ester