3820811 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3820811 > 2 > ChemIDplus > 346709259 > 346709-25-9 Pyrimido(5,4-g)pteridine-2,4,6,8-tetramine, 4-methylbenzenesulfonate, base-hydrolyzed > 346709-25-9 > 346709259 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=346709259 $$$$