3843920 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3843920 > 2 > ChemIDplus > XH5904500 > NIOSH/XH5904500 > 7-(3-Hydroxy-2-methoxypropyl)theophylline 7-beta-Methoxy-gamma-hydroxypropyltheophylline Theophylline, 7-(3-hydroxy-2-methoxypropyl)- XH5904500 > XH5904500 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=XH5904500 $$$$