3738290 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3738290 > 2 > ChemIDplus > 031883213 > 1H-Pyrazolo(3,4-d)pyrimidine-4,6(5H,7H)-dione, 1-(5-O-phosphono-beta-D-ribofuranosyl)- 31883-21-3 42817-27-6 Oxypurinol ribosyl phosphate > 31883-21-3 42817-27-6 > 031883213 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=031883213 $$$$