InChI=1/C19H18N2O5/c1-9-12(4-6-17(22)23)10(2)20-16(9)8-14-13-7-11(19(25)26)3-5-15(13)21-18(14)24/h3,5,7-8,20H,4,6H2,1-2H3,(H,21,24)(H,22,23)(H,25,26)/p-2/b14-8-/fC19H16N2O5/h21H/q-2 B80457508F0FF1EE