4-[(2-chloro-5H-pyrrolo[3,2-d]pyrimidin-4-yl)amino]butanoic acid

2-chloro-N-[2-(cyclohexen-1-yl)ethyl]-5H-pyrrolo[3,2-d]pyrimidin-4-amine

4-(2-chloro-5H-pyrrolo[3,2-d]pyrimidin-4-yl)morpholine

2-chloro-4-piperidin-1-yl-5H-pyrrolo[3,2-d]pyrimidine