151561-89-6 2-Amino-1,7-dihydro-7-(phenylmethyl)-4H-pyrrolo(3,2-d)pyrimidin-4-one 4H-Pyrrolo(3,2-d)pyrimidin-4-one, 2-amino-1,7-dihydro-7-(phenylmethyl)- 9-Bdag 9-Benzyl-9-deazaguanine