InChI=1/C12H12O4/c13-12(14)4-8-2-1-7-3-10-11(5-9(7)8)16-6-15-10/h3,5,8H,1-2,4,6H2,(H,13,14)/p-1/t8-/m1/s1/fC12H11O4/q-1 B43CEE006493BBC2