3737788 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3737788 > 2 > ChemIDplus > 030000205 > 1,3-Dioxido-2,4-dipiperidinocyclobutenediylium 30000-20-5 EINECS 249-998-1 > 30000-20-5 > 030000205 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=030000205 $$$$