755413 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 6.1155 -3.6024 0.0000 K 0 4 0 0 0 0 0 0 0 0 0 0 M RAD 1 1 2 M ISO 1 1 44 M END > 0 > 0 > 755413 > 3 > ChemIDplus > 014378224 > 14378-22-4 Potassium, isotope of mass 44 Potassium-44 > 14378-22-4 > 014378224 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014378224 > 6335512 1 $$$$