3822494 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3822494 > 2 > ChemIDplus > BP2069000 > NIOSH/BP2069000 > (4-Carboxy-3-butenyl)trimethylammonium bromide methyl ester Ammonium, (4-carboxy-3-butenyl)trimethyl-, bromide, methyl ester BP2069000 gamma-Crotonobetaine methyl ester hydrobromide > BP2069000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=BP2069000 $$$$