3738650 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3738650 > 2 > ChemIDplus > 033973158 > 2a,7b-Dihydro-2a,7b-dimethyl-1,2-dioxeto(3,4-b)benzofuran 33973-15-8 CCRIS 4150 > 33973-15-8 > 033973158 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=033973158 $$$$