744816 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.2396 -0.2471 0.0000 As -3 0 0 0 0 15 0 0 0 0 0 0 M ISO 1 1 72 M END > 0 > 0 > 744816 > 3 > ChemIDplus > 015755336 > 15755-33-6 72As Arsenic, isotope of mass 72 Arsenic-72 > 15755-33-6 > 015755336 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015755336 > 6337076 1 $$$$