3842139 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3842139 > 2 > ChemIDplus > VA4262000 > NIOSH/VA4262000 > 5,6-Dihydro-7H-quinazolino(4,3-b)quinazolin-7-one 7H-Quinazolino(4,3-b)quinazolin-7-one, 5,6-dihydro- VA4262000 > VA4262000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=VA4262000 $$$$