1H-PYRROLO[3,2-B]PYRIDINE-2-CARBOXYLIC ACID ethyl 5-chloro-1H-pyrrolo[2,3-c]pyridine-2-carboxylate 5-chloro-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid 4-Chloro-1H-pyrrolo[2,3-b]pyridine-3-carbonitrile ethyl 4-chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylate Ethanone, 1-(1H-pyrrolo[2,3-c]pyridin-3-yl)- (9CI) 1-(5-Bromo-7-azaindole)ethanone