3815098 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3815098 > 2 > ChemIDplus > 144190409 > 144190-40-9 7H-Selenino(3,2-f)benzofuran-7-0ne 7H-Selenopyrano(3,2-f)(1)benzofuran-7-one > 144190-40-9 > 144190409 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=144190409 $$$$