754901 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.8924 -3.6037 0.0000 Pa -1 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 230 M END > 0 > 0 > 754901 > 3 > ChemIDplus > 015766106 > 15766-10-6 230Pa Protactinium, isotope of mass 230 Protactinium-230 > 15766-10-6 > 015766106 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015766106 > 177681 1 $$$$