691605 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 5.9792 -7.5667 0.0000 Pa 3 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 234 M END > 0 > 0 > 691605 > 3 > ChemIDplus > 015100284 > 15100-28-4 234Pa Protactinium, isotope of mass 234 Protactinium-234 > 15100-28-4 > 015100284 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015100284 > 114695 1 $$$$