132138-76-2 2-Amino-1,5-dihydro-7-(3-thienylmethyl)-4H-pyrrolo(3,2-d)pyrimidin-4-one 4H-Pyrrolo(3,2-d)pyrimidin-4-one, 2-amino-1,5-dihydro-7-(3-thienylmethyl)- 9-Deaza-9-(3-thienylmethyl)guanine CI 1000 CI 1000 (immunosuppressant) PD 141955 PD-141955