202996 -OEChem-02060822402D 0 0 0 0 0 0 0 0 0999 V2000 M END > 202996 > 3 > ChemIDplus > P04400000 > P04400000 > P04400000 Petroleum refining (occupational exposures) > P04400000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=P04400000 $$$$