3822493 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3822493 > 2 > ChemIDplus > BP2068000 > NIOSH/BP2068000 > (4-Carboxy-3-butenyl)trimethylammonium bromide ethyl ester Ammonium, (4-carboxy-3-butenyl)trimethyl-, bromide, ethyl ester BP2068000 gamma-Crotonobetaine ethyl ester hydrobromide > BP2068000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=BP2068000 $$$$