InChI=1/C20H18N2O5/c1-13-5-7-15(8-6-13)26-9-10-27-16-4-2-3-14(11-16)12-17-18(23)21-20(25)22-19(17)24/h2-8,11-12H,9-10H2,1H3,(H2,21,22,23,24,25)/f/h21-22H 5D7EC0DD079CBC41