3733553 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3733553 > 2 > ChemIDplus > 013147074 > 13147-07-4 Isonipecotic acid, 1-methyl-4-phenyl-, ethyl ester, 1-oxide Pethidine N-oxide > 13147-07-4 > 013147074 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=013147074 $$$$