4-氯-2H-色烯-2-酮

7-(4-Hydroxy-2-oxo-2H-[1]benzopyran-3-yl)-6,7-dihydro-8H-bis-[1]benzopyrano[4,3-b:3',4'-e]pyran-6,8-dion

乙苄香豆

3-hydroxyiminochromene-2,4-dione

3,3'-乙亚基二[4-羟基-2-苯并吡喃酮]