3844929 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3844929 > 2 > ChemIDplus > YN7120000 > NIOSH/YN7120000 > Tryptophan, 5-hydroxy- L- and (-)-L-alpha-hydrazino-3,4-dihydroxy- alpha-methylhydrocinnamic acid, monohydrate YN7120000 > YN7120000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=YN7120000 $$$$