Warfarin EP Impurity B

化学名称: 4-Hydroxy-2H-1-benzopyran-2-one

异名: 4-Hydroxycoumarin ;

微笑: O=C1C=C(O)C2=CC=CC=C2O1

印地语: InChI=1/C18H16O2/c19-16-11-14(13-6-2-1-3-7-13)10-15(12-16)17-8-4-5-9-18(17)20/h1-9,12,14,20H,10-11H2