2-AMino-4-chloro-5H-pyrro...

4-chloro-5H-pyrrolo[3,2-d]pyrimidin-2-amine

2-AMINO-4-CHLORO-5H-PYRROLO[3,2-D]PYRIMIDINE

4-Chloro-5H-pyrrolo[3,2-d]pyrimidin-2-ylamine