3839021 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3839021 > 2 > ChemIDplus > TN5175000 > NIOSH/TN5175000 > 4,4'-Ethylenebis(1-(p-carboxybenzyl)-1-methylpiperidinium bromide) diethyl ester Piperidinium, 4,4'-ethylenebis(1-(p-carboxybenzyl)-1-methyl-, dibromide, diethyl ester Ro 2-4558 TN5175000 > TN5175000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=TN5175000 $$$$