208463 -OEChem-02060822402D 1 0 0 0 0 0 0 0 0999 V2000 -1.2042 -1.1958 0.0000 Kr -3 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 81 M END > 0 > 0 > 208463 > 3 > ChemIDplus > 015678918 > 15678-91-8 Krypton Kr 81m Krypton kr 81m [USAN] Krypton, isotope of mass 81 Krypton, isotope of mass 81 (metastable) Krypton-81m MPI Krypton Kr 81m Gas Generator > 15678-91-8 > 015678918 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015678918 > 66380 1 $$$$