745000 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 -0.9764 -4.6216 0.0000 Bk -2 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 245 M END > 0 > 0 > 745000 > 3 > ChemIDplus > 016652076 > 16652-07-6 245Bk Berkelium, isotope of mass 245 Berkelium-245 > 16652-07-6 > 016652076 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=016652076 > 167553 1 $$$$