1-(2H-1-Benzopyran-3-yl)ethanone 2H-1-BENZOPYRAN, 3-ACETYL- 2H-1-Benzopyran-3-yl methyl ketone 5-17-10-00185 (Beilstein Handbook Reference) 51593-70-5 BRN 1682021 Ethanone, 1-(2H-1-benzopyran-3-yl)- (9CI) Ketone, 2H-1-benzopyran-3-yl methyl