5-Acetylspiro(benzofuran-2(3H),1'-cyclopropan)-3-one 72492-12-7 AG-629 BRN 5334898 CCRIS 1922 Espizofurona [Spanish] Spiro(benzofuran-2(3H),1'-cyclopropan)-3-one, 5-acetyl- Spizofurone Spizofurone [INN:JAN] Spizofuronum [Latin]