691603 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 4.7042 -0.5917 0.0000 Ca 0 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 47 M END > 0 > 0 > 691603 > 3 > ChemIDplus > 014391992 > 14391-99-2 47Ca Calcium, isotope of mass 47 Calcium-47 > 14391-99-2 > 014391992 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014391992 > 6335803 1 $$$$