3818798 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3818798 > 2 > ChemIDplus > 172805537 > 10-(2-(1-Methylpyrrole-2-carboxyamido)ethoxy)-20(R,S)-camptothecin 172805-53-7 > 172805-53-7 > 172805537 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=172805537 $$$$