3838990 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3838990 > 2 > ChemIDplus > TN4974500 > NIOSH/TN4974500 > Piperidinium, 1,1-dimethyl-4-hydroxy-, methyl sulfate, alpha-2-cyclopenten-1-yl-2-thiopheneacetate TN4974500 > TN4974500 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=TN4974500 $$$$