3735072 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3735072 > 2 > ChemIDplus > 018689275 > 18689-27-5 3-Oxabicyclo(4.1.0)heptan-2-one, 4,4,7,7-tetramethyl-, (+-)- > 18689-27-5 > 018689275 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=018689275 $$$$