3807502 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3807502 > 2 > ChemIDplus > 102785999 > 102785-99-9 Siderite, magnesian ((Fe0.5-0.9Mg0.1-0.5)(CO3)) > 102785-99-9 > 102785999 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=102785999 $$$$