3727910 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3727910 > 2 > ChemIDplus > 001317937 > 1317-93-7 Chromian tourmaline Tourmaline > 1317-93-7 > 001317937 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=001317937 $$$$