3840534 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3840534 > 2 > ChemIDplus > UL0563000 > NIOSH/UL0563000 > Protocatechuic acid, chlorinated UL0563000 > UL0563000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=UL0563000 $$$$