Synonyms:
1h-pyrrolo[2,3-b]pyridine-2-carboxylic acid, 4-chloro-, ethyl ester ; 4-chloro-1h-pyrrolo[2,3-b]pyridine-2-carboxylicacid methyl ester ; 1h-pyrrolo[2,3-b]pyridine-2-carboxylic acid, 4-chloro-, methyl ester ; methyl 4-chloro-7-azaindole-2-carboxylate ; 1h-pyrrolo[2,3-b]pyridine-2-carboxylicacid, 4-chloro-, methyl ester