InChI=1/C19H16O3/c20-18-14-8-4-5-9-15(14)22-19(21)17(18)16(13-10-11-13)12-6-2-1-3-7-12/h1-9,13,16,20H,10-11H2/p-1/t16-/m0/s1/fC19H15O3/h20h/q-1 0FC4A6C93E878F36