3781728 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3781728 > 2 > ChemIDplus > 088220999 > 2(3H)-Furanone, 4,5-dihydro-4-acetyl-5-piperonyl-, (E)- 2(3H)-Furanone, dihydro-4-acetyl-5-(1,3-benzodioxol-5-yl)-, (E)- 88220-99-9 BRN 4487779 trans-4-Acetyl-5-piperonyl-4,5-dihydro-2(3H)-furanone > 88220-99-9 > 088220999 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=088220999 $$$$