3834590 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3834590 > 2 > ChemIDplus > OQ2292440 > NIOSH/OQ2292440 > 3-De(2-(acetylmethylamino)propionyloxy)-N-demethyl-3-hydroxymaytansine 3-isobutyrate C-15003 pnd-3 Maytansine, 3-de(2-(acetylmethylamino)propionyloxy)-N-demethyl-3-hydroxy-, 3-isobutyrate N-Demethylansamitocin P-3 OQ2292440 > OQ2292440 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=OQ2292440 $$$$