3813802 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3813802 > 2 > ChemIDplus > 136997712 > 136997-71-2 Pyridinium, 1-((dimethylamino)carbonyl)-4-(2-sulfoethyl)-, inner salt > 136997-71-2 > 136997712 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=136997712 $$$$