3741057 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3741057 > 2 > ChemIDplus > 039981050 > 2-(2-((3-Ethyl-5-methyl-3H-benzoselenazol-2-ylidene)methyl)but-1-enyl)-5,6-dimethyl-3-(3-sulphonatopropyl)benzoselenazolium 39981-05-0 EINECS 254-733-8 > 39981-05-0 > 039981050 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=039981050 $$$$