InChI=1/C20H20N2O4/c1-12-6-7-15(8-16(12)18(21)24)22-17(23)11-20(19(25)26)9-13-4-2-3-5-14(13)10-20/h2-8H,9-11H2,1H3,(H2,21,24)(H,22,23)(H,25,26)/p-1/fC20H19N2O4/h22H,21H2/q-1	17A979B99B4B5BC5