15151-14-1

2-Methyl-4-phenyl-5-oxo-γ-pyrano[3,2-c][1]benzopyran rac-2-Methyl-4-phenyl-4H-pyrano[3,2-c]benzopyran-5-one 2-Methyl-4-phenyl-4H,5H-pyrano[3,2-c][1]benzopyran-5-one 4H,5H-Pyrano[3,2-c][1]benzopyran-5-one, 2-methyl-4-phenyl-