3757685 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3757685 > 2 > ChemIDplus > 068555066 > 68555-06-6 EINECS 271-411-2 Iron chromite manganese brown spinel Spinels, chromium iron manganese brown > 68555-06-6 > 068555066 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=068555066 $$$$