InChI=1/C21H22N4O4/c1-23-17(13-15-7-4-3-5-8-15)22-19-18(23)20(26)24(10-12-28-2)21(27)25(19)14-16-9-6-11-29-16/h3-9,11H,10,12-14H2,1-2H3 07D56CE50B0EE0E6