3821630 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3821630 > 2 > ChemIDplus > AH0600000 > NIOSH/AH0600000 > 2,2'-(2-(3,4-Dihydroxyphenyl)-5-hydroxy-4-oxo-4H-1-benzopyran-3,7-diyloxy)diacetic acid AH0600000 Acetic acid, 2,2'-(2-(3,4-dihydroxyphenyl)-5-hydroxy-4-oxo-4H-1-benzopyran-3,7-diyloxy)di- > AH0600000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=AH0600000 $$$$