682668 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 0.1167 -4.2917 0.0000 Cf -2 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 249 M END > 0 > 0 > 682668 > 3 > ChemIDplus > 015237975 > 15237-97-5 Californium, isotope of mass 249 Californium-249 > 15237-97-5 > 015237975 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015237975 > 105176 1 $$$$