Compound 10

5-Amino-8-(2-O-acetyl-3-deoxy-5-O-benzoyl-beta-D-ribofuranosyl)pyrimido[4,5-d]pyrimidine-2,4(3H,8H)-dione

From: Complex self-assembly of pyrimido[4,5-d]pyrimidine nucleoside supramolecular structures