英文别名1H-Pyrrolo[2,3-d]pyrimidine-6-carboxylic acid, 4-chloro-, ethyl ester; Ethyl 4-chloro-7H-pyrrolo[2,3-d]pyriMidin-6-carboxylate; 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid ethyl ester; Ethyl 4-chloro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxylate; 7H-Pyrrolo[2,3-d]pyrimidine-6-carboxylic acid, 4-chloro-, ethyl ester 
