3734538 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3734538 > 2 > ChemIDplus > 015581405 > 15581-40-5 Carbon monoxide, ion(2+) Carbonyl ion > 15581-40-5 > 015581405 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015581405 $$$$