InChI=1/C19H19N3O4/c1-12(20-13-6-7-16-17(10-13)26-9-8-25-16)19(24)22-11-18(23)21-14-4-2-3-5-15(14)22/h2-7,10,12,20H,8-9,11H2,1H3,(H,21,23)/t12-/m0/s1/f/h21H 8AF7FC4BB6309901