1-(2,3-Dihydro-2-methyl-5-benzofuranyl)ethanone 5-17-10-00058 (Beilstein Handbook Reference) 5-Acetyl-2-methylcoumaran 58621-51-5 BRN 0143143 ETHANONE, 1-(2,3-DIHYDRO-2-METHYL-5-BENZOFURANYL)-