3734950 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3734950 > 2 > ChemIDplus > 017787870 > 12174-44-6 17787-87-0 66733-82-2 Riebeckite > 12174-44-6 17787-87-0 66733-82-2 > 017787870 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=017787870 $$$$