2H-1-Benzopyran-2-one,7-hydroxy-6-[(2-oxo-2H-1-benzopyran-7-yl)oxy]-

2H-1-Benzopyran-2-one,7-hydroxy-6-[(2-oxo-2H-1-benzopyran-7-yl)oxy]- · CAS 874197-28-1