682645 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 1.6917 -6.2417 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 > 682645 > 3 > ChemIDplus > 014378213 > 14378-21-3 Potassium, isotope of mass 42 Potassium-42 > 14378-21-3 > 014378213 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014378213 > 6335512 1 $$$$