2-((4-chloro-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methoxy)ethyl acetate

4,5-dichloro-7-[(2-hydroxyethoxy)methyl]pyrrolo[2,3-d]pyrimidine

5-bromo-4-chloro-7[(2-hydroxyethoxy)methyl]pyrrolo[2,3-d]pyrimidine

4-chloro-5-iodo-7-[(2-hydroxyethoxy)methyl]pyrrolo[2,3-d]pyrimidine