3815340 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3815340 > 2 > ChemIDplus > 145128161 > 145128-16-1 4-(4-(2-(4-(N,N-Dimethylamino)phenyl)ethenyl)pyridinio)butyrate N-hydroxysuccinimide ester ASPSu Pyridinium, 4-(2-(4-(dimethylamino)phenyl)ethenyl)-1-(4-((2,5-dioxo-1-pyrrolidinyl)oxy)-4-oxobutyl)-, chloride > 145128-16-1 > 145128161 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=145128161 $$$$