4-Chloro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid ethyl ester

ethyl 4-chloro-7h-pyrrolo[2,3-d]pyrimidine-6-carboxylate ; 1h-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid, 4-chloro-, ethyl ester ; ethyl 4-chloro-1h-pyrrolo[2,3-d]pyrimidine-6-carboxylate ; ethyl 4-chloro-7hpyrrolo [2,3-d]pyrimidine-6- carboxylate 1h-pyrrolo[2,3- d] pyrimidine-6-carboxylic acid ; 3-d]pyrimidine-6-carboxylate ; 4-chloro-7h-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid ethyl ester ; ethyl 4-chloro-7h-pyrrolo[2,3-d]pyrimidin-6-carboxylate