4-26-00-01117 (Beilstein Handbook Reference) 4-Amino-7-(beta-D-ribofuranosyl)-pyrrolo(2,3-d)pyrimidine 4-Amino-7-beta-D-ribofuranosyl-7H-pyrrolo(2,3-d)pyrimidine 4-Amino-7beta-D-ribofuranosyl-7H-pyrrolo(2,3-d)pyrimidine 69-33-0