1,3-dioxo-1,3-dihydro-2-benzofuran-5-yl acetate 1,3-isobenzofurandione, 5-(acetyloxy)- InChI=1/C10H6O5/c1-5(11)14-6-2-3-7-8(4-6)10(13)15-9(7)12/h2-4H,1H