2H-1-BENZOPYRAN-2-ONE, 3-ACETYL-7-HYDROXY-5-(HYDROXYMETHYL)- 3-Acetyl-5-hydroxymethyl-7-hydroxycoumarin 3-Acetyl-7-hydroxy-5-(hydroxymethyl)-2H-1-benzopyran-2-one 53696-74-5 Armillarisin A