3737631 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3737631 > 2 > ChemIDplus > 029405161 > 29405-16-1 Benzenesulfonic acid, 4-hydroxy-, polymer with formaldehyde and urea Condensation product of urea, formaldehyde and 4-hydroxybenzenesulfonic acid > 29405-16-1 > 029405161 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=029405161 $$$$