4-methoxy-7H-furo[3,2-g]chromen-7-one 7H-furo[3,2-g][1]benzopyran-7-one, 4-methoxy- InChI=1/C12H8O4/c1-14-12-7-2-3-11(13)16-10(7)6-9-8(12)4-5-15-9/h2-6H,1H