3-Acetyl-2(3H)-benzoxazolone24963-28-8100 % similar 3-Propionyl-2-benzoxazolinone33388-19-162 % similar 3-Methylbenzo[d]oxazol-2(3H)-one21892-80-857 % similar 3-(2-Oxo-2,3-dihydro-1,3-benzoxazol-3-yl)propanoic acid13610-59-844 % similar N-Methylisatoic anhydride10328-92-440 % similar 1-(1H-Indol-1-yl)ethanone576-15-840 % similar 1-(3-Hydroxy-1H-indol-1-yl)ethanone33025-60-436 % similar 1,1′-(1H-Indole-1,3-diyl)bis[ethanone]17537-64-336 % similar 1-Acetylindole-3-carboxaldehyde22948-94-336 % similar 3-Acetylcoumarin3949-36-833 % similar 2-Acetylbenzofuran1646-26-033 % similar Pyrocatechol carbonate2171-74-631 % similar 3-Acetamidocoumarin779-30-631 % similar 3-Methyl-1-benzofuran-2-carboxylic acid24673-56-130 % similar 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one41443-28-130 % similar 1-Benzofuran-3-yl acetate93680-80-930 % similar 3-Methylbenzofuran-2-carboxylic acid ethyl ester22367-82-430 % similar N-Methylacridone719-54-030 % similar