InChI=1/C18H16O5/c1-23-17-8-7-13(9-12-5-3-2-4-6-12)10-14(17)15(19)11-16(20)18(21)22/h2-8,10H,9,11H2,1H3,(H,21,22)/p-1/fC18H15O5/q-1 26F511B944672360