3814849 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3814849 > 2 > ChemIDplus > 142805569 > 142805-56-9 DNA topoisomerase II Deoxyribonucleate topoisomerase II Isomerase, deoxyribonucleate topo-, II Topoisomerase II Topoisomerase type II Type II DNA topoisomerase > 142805-56-9 > 142805569 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=142805569 $$$$