spiro,cyclopentane,isobenzofuran,thione,benzofuran,furan
Benzofuran
802918-27-03(2H)-Benzofuranone,2-[[(2R,3R)-2,3-dihydro-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-1,4-benzodioxin-6-yl]methyl]-2,4,6-trihydroxy-, rel-
63671-63-64-Isobenzofurancarbonyl chloride,6-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1,3-dihydro-1,3-dioxo-