2-amino-5-(aminomethyl)-7-(5-O-phosphono-beta-D-ribofuranosyl)-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one
2-amino-5-(aminomethyl)-7-(5-o-phosphono-beta-d-ribofuranosyl)-3,7-dihydro-4h-pyrrolo[2,3-d]pyrimidin-4-one