4-HYDROXY-7-METHOXY-3-PHENYLCOUMARIN 9&

4-Hydroxy-7-methoxy-3-phenyl-2H-1-benzopyran-2-one

4-Hydroxy-3-phenyl-7-methoxy-2H-1-benzopyran-2-one

3-Phenyl-7-methoxy-4-hydroxy-2H-1-benzopyran-2-one